Thousands of years ago people discovered the phenomenon by chance, and this was _____ the idea of the compass first came from.
#93503
A
how
B
what
C
where
D
that
推荐题目
________ has already been pointed out, only by correcting mistakes can you make progress.
#92597
A
It
B
As
C
That
D
What
It was Alice and her friends who helped the homeless old woman,______?
#93973
A
wasn’t it?
B
wasn’t she
C
didn’t they?
D
weren’t they?
—Were all the supplies for the people carried to the flood-stricken areas?—No, only some of them nearly all the roads there cut off.
#93547
A
it was; with
B
they were; because
C
there were; for
D
there was; because of