When he was asked suddenly about the matter ,he couldn’t_____an answer at once.
#81533
A
come up with
B
look for
C
put up with
D
answer for
推荐题目
The governments are _____ to improve the employment and medical situation of the citizens.
#66206
A
making progress
B
making efforts
C
taking risks
D
looking forward
Jane_______ this Sunday. Let’s go and say goodbye to her. 
#67080
A
would leave
B
left
C
has left
D
is leaving