It is said that potato chips ____________ by mistake about a hundred years ago.
#41556
A
invent
B
invented
C
are invented
D
were invented
推荐题目
----I’m afraid the meeting has begun. ----Don’t worry. It _________ until the bell _________.
#37273
A
doesn’t begin; rings
B
won’t begin; will ring
C
won’t begin; rings
D
doesn’t begin; will ring
-Where is Jim? I can’t find him. -Oh, he to Beijing.
#38808
A
has been to
B
has gone to
C
went
D
was to
It when I my homework last night.
#40154
A
raining, did
B
rained, was doing
C
was raining, do
D
rains, was doing
