问题

(2013·成都一诊)Parents are doing all they ________ to help their children achieve their ambitions.

A:shall
B:can
C:may
D:need

正确答案是：

同类题型

My brother likes eating very much but he isn’t very ___ about the food he eats.

There are two roads andeitherto the station

He is strong football.

If you want to get this job，you should___________ speak a foreign language.

Do you mind me_______ in the dining hall-Sorry. It’s not_______.