I mustn’t give up __________ English easily.
#49048
A
to study
B
studying
C
studied
D
study
推荐题目
It’s good for health to sleep with the windows _______ in hot summer.
#49873
A
close
B
opened
C
closing
D
open
We had no time_________, but we had a great time _________the model plane together．
#50776
A
to chat；making
B
to chat；to make
C
chatting：making
D
chatting；to make