I find it very hard ____ the question.
#50008
A
to answer
B
answers
C
answering
D
answered
推荐题目
---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.
#49067
A
protect
B
protected
C
protecting
D
to protect
I have dreamed of ______________all over the world in the future.
#49804
A
travel
B
will travel
C
to travel
D
traveling
our English teacher encourages us part in all kinds of after-class activities.
#51183
A
to take
B
take
C
taking
D
to taking
--- It’s hot. Would you mind my__________ the window?---- ____________. Do it as you like, please!
#50572
A
to open; Ok
B
opening; Certainly not
C
closing; Of course
D
open; Good idea