---What are you busy____these days?----Nothig much
#50155
A
do
B
to do
C
doing
D
done
推荐题目
—Would you mind ____ the room? —OK. I’ll do it right away.
#50211
A
clean
B
cleaning
C
cleaned
D
to clean
—Mr. Ding, I have some problems_______ the passage.—Remember_______ it three or four times at least.
#48495
A
to understand; reading
B
understanding; reading
C
to understand; to read
D
understanding; to read
