Tom was about to close the window his attention was caught by a bird.
#92304
A
when
B
if
C
and
D
till
推荐题目
One learns a knowledge by making mistakes and ______ them.
#92957
A
corrects
B
correct
C
to correct
D
correcting
It was a serious mistake, ______ caused by carelessness.
#93814
A
which I think was
B
which I think it was
C
I think which was
D
that I think it was
Not until the car looked almost new____ cleaning it.1网
#93516
A
John stopped
B
did John stop
C
stopped John
D
John did stop
He kept smiling secretly and we were all wondering that made him so happy.
#93986
A
how it did
B
what he did
C
how it was
D
what it was