Certainly I posted your letter---I remember ____it.
#98874
A
posting
B
to post
C
to be posting
D
have posted
推荐题目
Parents often have their children_____ little housework so that they can have more time______. 
#95750
A
doing; studying
B
done; studied
C
to do; to study
D
do; to study
___ the left, he suddenly found the tailor’s shop he was looking for.
#98668
A
T be turning
B
Turning to
C
To turn
D
Turned to
 At present, English is the main subject _____ here. 
#98252
A
to be taught
B
being taught
C
teaching
D
to be teaching