When I try to understand _______ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
#85435
A
why it does
B
what it does
C
what it is
D
why it is
推荐题目
In my opinion, all Mr Li ______ good to his students in his class at present. He is very strict with them in their studies.
#85122
A
does does does
B
does does do
C
does do did
D
did do does
Was it in the house____he lived ____ the painting was stolen?
#85295
A
that, where
B
where, where
C
where, that
D
that, that