---May I speak to Mr. Smith? ---Sorry, he           . Can I take a message? 
#53437
A
sleeps
B
is sleeping
C
sleep
D
sleeping
推荐题目
 I ________ $300 for the bike. 
#52647
A
took
B
spent
C
cost
D
paid
- This kind of fruit ______  nice. -Yes. It ______ in the south-east of China.
#62039
A
tastes; is growing
B
is tasted; is grown
C
is tasting; is growing
D
tastes; is grown
Who is going to _________ the meeting?
#58803
A
take part in
B
join
C
joins in
D
take part of