【题目】— Must I finish my homework now?
— No, you .You may have a rest first.
A.mustn't
B.can't
C.may not
D.needn't

【题目】Now Helen works _______ than before.
A.more carefully
B.more careful
C.much careful
D.much carefully

A. join B. to join C. to go D. joins

A．won’t receive B．haven’t received

C．hadn’t received D．didn’t receive

A. in B. / C. on D. of

A. slept B. sleep

C. are sleeping D. were sleeping

A. put it down B. put down it

C. put them down D. put down them

【题目】The father expected the twins to be doctors, but _______ of them liked to study medicine.
A.both
B.neither
C.all
D.none

—There is sand in your shoes.

A. a little of B. a little bit C. a little D. a few

A. to B. in C. with D. On