I try to understand __________ that prevents so many Chinese from being as happy as one might expect.
#72981
A
why is it
B
what is it
C
why it is
D
what it is
推荐题目
I have bought 2 ballpens, _______ writes well.
#70187
A
both of which
B
none of which
C
neither of which
D
neither of them
____ one can achieve largely depend on ____ hard he works every day.
#67047
A
What; how
B
That; how
C
What why
D
That; why