When he walks_______ my desk,he knocked my books________ the desk. 
#49991
A
passed;away
B
past;away
C
passed;off
D
past;off
推荐题目
 Mario used to _____________ in the morning.      
#48943
A
practiceswimming
B
practicingswimming
C
practiceswim
D
practicesswimming
We shall  never give up ______ for even one day. 
#49951
A
studying
B
study
C
to study
D
studies
— Thank you for ______ me _______ the housework. —My pleasure.
#49655
A
help; to do
B
help; with
C
helping; doing
D
helping; do
 I find it very hard ____ the question.
#50008
A
to answer
B
answers
C
answering
D
answered
 It’s too hot outside, so we decide ______ out.
#48969
A
going
B
to go
C
not going
D
not to go