‘Have you bought presents for your mothers ’ I asked my friends. __________

A．needn’t have bought

B．could have bought

C．need have bought

D．must have bought

A.What

B.Which

C.That

A.did; buy

B.do; buy

C.have; bought

D.will; buy

A.have; bought

B.did; buy

C.have; had

D.are; having

A.do；buy

B.did；buy

C.have；bought

D.will；buy

A.Twisted cruller, I bought it this morning.

B.I already had my breakfast.

C.Breakfast is the most important meal of the day.

A.have; bought

B.did; buy

C.have; had

D.are; having

A.how.ones

B.how.one

C.what,one

D.what,ones