Just as sound travels through the air in waves, electricity travels through the air in ______ radio waves.
#79301
A
what is called
B
which is called
C
what it is called
D
which it is called
推荐题目
--Could you tell me ______________ for class this morning?--I am sorry, Mrs. Lin. I got up so late that i couldn’t catch the first bus.
#36433
A
why were you late
B
why you are late
C
why are you late
D
why you were late
To learn English well, we should find opportunities to hear English _____ as much as we can.
#79182
A
speak
B
speaking
C
spoken
D
to speak
– I don’t know if Mr. Li ____ to the party this evening.- I think he will come if he ____ free.
#38784
A
will come; is
B
will come; will be
C
comes; is
D
comes; will be
—What should I wear for the party?—It’s an informal one; it doesn’t matter ____ you’re dressed.
#79290
A
what
B
when
C
how
D
whether
I don’t know _____.
#38422
A
what happened to him
B
what did he happen
C
what he happened
D
what was the matter