How happy we were each other ！
#49780
A
to see
B
seeing
C
saw
D
have seen
推荐题目
— Do you mind _______ the window? It’ s so hot today. —Of course not.
#51214
A
open
B
to open
C
opened
D
opening
I always tell my students _________ on the road because it’s really dangerous.
#49248
A
not to play
B
to play not
C
not playing
D
not play
---Why does Tommy look unhappy ? --- Because his teacher makes him _______ the classroom all by himself .
#50728
A
to clean
B
clean
C
cleans
D
cleaning
—I have no idea ____________ tell her the bad news. —I think tomorrow is the best time.
#48644
A
how to
B
when to
C
how can I
D
when can I