Which is the correct word to complete the following sentence? Margaret ______ doesn't usually come by bus. A. doesn't B. isn't C. don't D. aren't

The sentence is "Margaret ______ usually come by bus." "Come" is a verb. "Margaret" is a singular subject. For a negative statement in the simple present tense, we use "does not" or "doesn't" for singular subjects.
The correct option is A.

$$\boxed{\text{A. doesn't}}$$

The sentence is "They ______ at home last night." "Last night" indicates past tense. "At home" describes a state of being. For a negative statement about a state of being in the past for a plural subject ("They"), we use "were not" or "weren't".
The correct option is B.

$$\boxed{\text{B. weren't}}$$

The sentence is "What ______ you say?" This is a question about a past action. The base form of the verb "say" is used. The auxiliary verb for simple past questions is "did".
The correct option is D.

$$\boxed{\text{D. did}}$$

The sentence is "Why ______ crying?" "Crying" is a present participle, indicating a continuous tense. The sentence is a question. For a present continuous question with "you", the structure is "Why are you crying?".
The correct option is A.

$$\boxed{\text{A. are you}}$$

The sentence is "Where ______ to spend your holidays next summer?" "Next summer" indicates a future plan or intention, often expressed with "be going to". The sentence is a question. For a question about future plans with "you", the structure is "Where are you going to spend...".
The correct option is B.

$$\boxed{\text{B. are you going}}$$

The sentence is "______ never been to the theatre before." "Never been" indicates the present perfect tense (have + past participle). The contraction for "I have" is "I've".
The correct option is D.

$$\boxed{\text{D. I've}}$$

The sentence is "Bata shoes ______ in Gweru." This describes a general fact about the shoes, implying a passive voice (shoes are manufactured). "Bata shoes" is plural. The present simple passive form for plural subjects is "are made".
The correct option is A.

$$\boxed{\text{A. are made}}$$

The sentence is "After the speech, Mario asked a ______ to Sydney." When someone "asks", they typically ask a "question".
The correct option is C.

$$\boxed{\text{C. question}}$$

The sentence is "Where ______ when you met him?" "When you met him" indicates a past event. The question asks about his continuous state of living at that specific past time, requiring the past continuous tense. For a singular subject "he", the past continuous question form is "was he living".
The correct option is C.

$$\boxed{\text{C. was he living}}$$

The sentence is "If ______, I'll tell him you called." This is a first conditional sentence, which uses "If + present simple, will + base verb". The second clause "I'll tell him you called" uses "will". Therefore, the "if" clause must be in the present simple tense.
The correct option is B.

$$\boxed{\text{B. I see him}}$$

The question asks to identify the verb in the sentence "Jill sets the pen on the table?". A verb is an action word. "Jill" is a noun, "pen" is a noun, "table" is a noun. "Sets" is the action performed by Jill.
The correct option is D.

$$\boxed{\text{D. sets}}$$

The sentence is "Wine ______ made in Italy for thousands of years." "Wine" is a singular subject. "For thousands of years" indicates a duration that continues up to the present, requiring the present perfect tense. The sentence is in the passive voice. The correct present perfect passive form for a singular subject is "has been made".
The correct option is C.

$$\boxed{\text{C. has been}}$$