—Must we keep the room_______ all the time? —No, you don’t have to.
#45320
A
cleaning
B
cleaned
C
to clean
D
clean
推荐题目
The little girl is fortunate to get help from so many strangers.
#45464
A
lucky
B
excited
C
happy
D
grateful
My grandfather is as ________ as a young man and hates sitting around doing nothing all day.
#45845
A
nervous
B
energetic
C
anxious
D
creative
You are under 18 years old, so it is for you to join the Trailwalker.
#44341
A
impossible
B
meaningful
C
necessary
D
important