---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
推荐题目
Jack had a wonderful time _____ many interesting places in Beijing and he had much time __________ the city.
#50019
A
to visit; to enjoy
B
to visit; enjoying
C
visiting; to enjoy
D
visiting; enjoying
—I’m sorry I forgot the letter for you! I’m really busy these days”—It doesn’t matter, I’ll post it myself.”
#51123
A
to post
B
posting
C
post
D
posted
——Now lots of teenagers spend a lot of time playing computer games. ——Yes. Teachers and their parents should prevent them ______________ too much.
#50157
A
to play
B
play
C
plays
D
playing
Let’s _______ them _______ our home town.
#49742
A
show, visit
B
show, around
C
to show, to visit
D
to show; around