37．A．have to B．has to C．had to D．must——青夏教育精英家教网——

摘要：37．A．have to B．has to C．had to D．must

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Tom ________ help his father in the garden yesterday.

[　　]

A．had to

B．have to

C．has to

D．must to

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He will ________ buy some presents for his sister.

[　　]

A．has to

B．have to

C．must

D．had to

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He will ________ buy some presents for his sister.

[　　]

A．has to

B．have to

C．must

D．had to

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She ________ look after her mother because she is ill in bed．

A．has to

B．have to

C．must to

D．had to

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Sam, you ________ to wear sneakers for gym class.

[　　]

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