Not until he failed the exam _______he had left his books untouched .
#80213
A
did he realize
B
had he realized
C
he realized
D
he had realized
推荐题目
Look! Here _____. Let’s get on it.
#80287
A
is coming a bus
B
comes a bus
C
a bus is coming
D
a bus comes
If Joe' s wife goes to the party, _______.
#81146
A
so does he
B
so will he
C
he will either
D
either he does
The factory was built in a secret place, around ________ high mountains.
#81313
A
which was
B
it was
C
which were
D
them were