—What’s the matter with you? You look so worried.-- I don’t know ___________ the problem.
#57173
A
what to solve
B
how to solve
C
to solve what
D
how can I
推荐题目
_______hard work it is! And__________should I do to complete it well?
#55452
A
What a, how
B
What, what
C
How, what
D
What, how
The dress fits me well, ______I don’t want to buy it because it’s too expensive.
#57196
A
so
B
and
C
or
D
but
—Why was he late for school?— ________his bike was broken on the road.
#56816
A
Since
B
Because
C
As
D
Because of