(2012·天津卷)Only after Mary read her composition the second time________ the spelling mistake.
#79621
A
she noticed
B
she has noticed
C
did she notice
D
does she notice
推荐题目
So fast _____it is difficult for us to imagine its speed.
#84195
A
does light travel that
B
light travels that
C
as light travels that
D
with light travels
－Why didn’t Tom give you one of his paintings? －I didn’t want one，but he would have given me one if I______.
#84420
A
did
B
would
C
will
D
had
We are always told that only through hard work our goals in our study.
#80695
A
we will achieve
B
we have achieved
C
have we achieved
D
will we achieve
---I’m really depressed after so many failures. I can’t see any hope.---Cheer up! Behind every misfortune_______!
#82096
A
lies an opportunity
B
does an opportunity lie
C
an opportunity lies
D
is an opportunity lying