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
After three hours'climbing，they reached ________ they thought was the place they'd been dreaming of.
#78845
A
what
B
which
C
where
D
that
---Could you tell me_________?---More than a year.
#37832
A
how soon will Yangzhou-Taizhou Airport be built
B
how long has Yangzhou-Taizhou Airport been in service
C
how soon Yangzhou-Taizhou Airport will be built
D
how long Yangzhou-Taizhou Airport has been in service
His writing is so confusing that it's difficult to make out ________ it is he is trying to express.(2011·安徽)
#78803
A
that
B
how
C
who
D
what
—Can you tell me _________?—I lost my MP3 player.
#39191
A
What’s the matter with you
B
what the matter is with you
C
what the matter you is
D
what the matter with you are.
— What did Tina say just now?— She asked ____ this summer holiday.
#79187
A
whether could you teach her dance
B
that whether you could teach her dance
C
if could you teach her dance
D
if you could teach her dance