While________ along the road, Mr. Smith met an old friend of his.
#80925
A
walked
B
he is walking
C
walking
D
is walking
推荐题目
So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
#81424
A
did the sky turn dark
B
the sky did turn dark
C
turned the sky dark
D
was the sky turned dark
—Mum，I am afraid I won’t do well in the coming test.—Honey，________more careful，________you will make it.
#79662
A
is；so
B
be；and
C
be；then
D
being；and
Scarcely ________ ourselves in the theatre when the curtain ______ up.
#81258
A
had we seated; went
B
we had seated; went
C
seated; had gone
D
did we seated; had gone
—He ought ot have been warned of the danger. —____, but he wouldn’t listen to me.
#84049
A
yes, he ought to
B
So he was
C
So was he
D
So it was with him