People put on the safety belts before the plane takes off.  (   )

A．must

B．can

C．may

D．need

--_____ you swim?（ ）
--Yes, I can.

A．Can

B．Do

C．Are

选词填空。
A. carefully    B. answer C. housework    D. should E. take care of
【小题1】A good student _______ go to school on time.
【小题2】I should help my mum to do some ______ .
【小题3】We should listen _______ .
【小题4】My classmates _______ the teacher’ s question actively.
【小题5】I should _______ the younger pupils.

— Can he swim fast?（  ）
— Yes, _________.

A．I can.

B．he can.

C．I can’t.

D．he can’t.

I _____ to go to the park. （    ）

A．would like

B．would in

C．Had better

D．/