The American people will never forget the 9.11 event and the psychological trauma __________ caused to hundreds of thousands of common households.
#15041
A
that
B
it
C
which
D
what
推荐题目
Always read the __________ on the bottle carefully and take the right amount of medicine.
#16106
A
descriptions
B
instructions
C
introductions
D
Explanations
I would appreciate _____ very much if you could give me some suggestions.
#16471
A
this
B
that
C
it
D
you