Only when they came ___________. 
#81587
A
I left the office
B
did I leave the office
C
left I the office
D
I did leave the office
推荐题目
Look over there.___! 
#83908
A
Around the corner is walking a policeman
B
Around the corner is a policeman walking
C
Around the corner a policeman is walking
D
Is around the corner walking a policeman
Only when you are living in a foreign country    the importance of English.
#81557
A
you can realize
B
you realized
C
did you realize
D
can you realize
_______Chinese which city is famous for ice and snow, and the answer is sure to be Harbin.
#83046
A
f you ask a
B
sked some  
C
sk any 
D
aving asked every
Only when _____ be possible to sign the contract.
#80831
A
the lawyer comes it will
B
does the manager come will it
C
has the manager come it will
D
the manager comes will it