I mustn’t give up __________ English easily. 
#49048
A
to study
B
studying
C
studied
D
study
推荐题目
My mother often tells me        late for class.
#49749
A
not be
B
not to be
C
am not
D
not
My friend made me ______for a long time and it made me very _______.
#50743
A
wait; angrily
B
to wait; angry
C
wait, angry
D
to wait; angrily
Jim spent  half an hour ______his work.
#50083
A
finish
B
to finish doing
C
finishing to do
D
finishing