I ________ go to Taiwan this winter vacation. It depends on when our vacation begins.
A.must B.might C.can D.need
You ________ ask that man over there. Maybe he knows how to get to the park.
A.need B.must C.had better D.might
Mom, ________ I invite Mary to come to my birthday party? She is new in our class.
A.could B.should C.must D.need
It's expensive to go to Beijing by plane. So I'm not sure whether I ________ take a plane or not.
A.may B.should C.must D.need
Alice, could you tell me________ London, last Friday or last Saturday?
A.when Mr.Smith left for
B.when Mr.Smith will leave for
C.when will Mr.Smith leave for
D.when did Mr.Smith leave for
Plan meals ahead of time so that you can know exactly________ in the supermarket.
A.where to choose B.when to choose C.what to choose D.how to choose