Thanks to scientific research, we now have a good understanding of ______ an earthquake is and why it happens.
#78873
A
how
B
which
C
whether
D
what
推荐题目
-- Do you know ________ her mobile phone? -- No, I think it cost her around 4000 yuan.
#36658
A
when your sister paid for
B
how much your sister will pay for
C
how much your sister paid for
D
when did your sister buy
--What did your father ask you? --He asked me ___________.
#38239
A
whom I was chatting with
B
where am I with my friends
C
when would I go home
D
if I have finished my homework
Teach children ______ electrical appliances, cords, and switches are not toys.
#79243
A
what
B
which
C
how
D
that
I lost sight of Wang Ping when we reached _______ looked like a large market.
#78916
A
where
B
that
C
what
D
which
If you are in any doubt as to _____ you should be doing these exercises, consult your doctor.
#79170
A
that
B
which
C
what
D
whether