—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
—How do you like your new school, Kate?—It’s great. It is very clean and beautiful, ________ it is a little bit small.
#55280
A
if
B
and
C
unless
D
although
-Jack, I think you should say sorry to Mary.- I won’t do that _____ she says sorry to me first.
#56305
A
unless
B
if
C
and
D
because
I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
#56572
A
because
B
since
C
until
D
though
Helen is 15 years old, and Joan is 15, too. So Helen is________Joan.
#55587
A
as big as
B
as older as
C
as old as
D
so old as