1."Have you seen John?" "No.But he______ be studying in the library A.will B.should C.needn't D.may 2.As I won't be at home tonight , I ______ my homework during my lunch break A.need to do B.have to do C.can do D.mightn't 3.Passengers ______ somke until the signs have been switched off. A.mustn't B.can't C.needn't D.mightn't

2 câu trả lời

=>

1. D.

2. B

3. A

1.D

2.B

3.A

1."Have you seen John?" "No.But he______ be studying in the library

A.will         B.should       C.needn't         D.may

2.As I won't be at home tonight , I ______ my homework during my lunch break

A.need to do         B.have to do      C.can do             D.mightn't

3.Passengers ______ somke until the signs have been switched off.

A.mustn't      B.can't      C.needn't     D.mightn't

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