语法词汇练习 语法大全 语法详解 英语听力 
. I don’t know          if she’s coming.
#27341
A
at certain
B
for certain
C
with certain
D
on certain
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推荐题目
 You can improve your English ______ practicing more.
#25686
A
by
B
with
C
of
D
in
He will go to school by bike ___ on foot.
#28055
A
instead
B
of
C
instead of
D
no
--- Did he break it accidentally? --- No, __________.
#26166
A
with purpose
B
by chance
C
on purpose
D
by mistake
（2014年福州市高三适应性练习）23. Don’t bother your father tonight ------ he’s got a lot ____ his mind.
#25133
A
on
B
to
C
in
D
around
It goes________my principles to cheat in the exam.
#25414
A
for
B
against
C
above
D
beyond