It’s not easy for us__________ English well.
#63157
A
study
B
to study
C
studying
D
studies
推荐题目
I’m sorry to keep you ______ for an hour. Now let’s begin our work.
#52322
A
to wait
B
waiting
C
wait
D
waited
There is a lot of traffic on the road now. You ________ play football there!
#54068
A
must
B
need
C
mustn’t
D
needn’t