I’m sorry to keep you _______ for almost two hours.
#50943
A
wait
B
to wait
C
waiting
D
waited
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