---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
1 have lunch at school, but my mother_______ lunch at school.
#57735
A
isn't have
B
hasn't have
C
don't have
D
doesn't have
Mike promised ______ hard from now on. 
#53719
A
study
B
studying
C
to studies
D
to study
This ________ my grandfather and those are my ________.
#57464
A
is; friends
B
is; friend
C
are; friends
D
am; friend