Which of the following sentences doesn’t contain(包含) an object clause（宾语从句）?
#38136
A
Many people believe robots will do most of our work.
B
Scientists should be able to develop plants that grow on Mars.
C
People think that humans on Mars have to wear special boots to make themselves heavier.
D
We all know the next Olympic Games will be held in Beijing.
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Doctors have been researching effect stand-up and other forms of comedy have on us.
#78880
A
which
B
what
C
whatever
D
whichever
I don’t mind ____________ I can win or not , but I will try my best .
#37398
A
when
B
where
C
whether
D
how
I really don’t know ___________.
#38533
A
how they’ve got so angry with me.
B
why have they got so angry with me.
C
how have they got so angry with me.
D
why they’ve got so angry with me.
—Could you please tell me_______?—Sorry, you can turn to Mr. Lee for help.
#36988
A
how long can man live without water
B
how long could man live without water
C
how long man can live without water
D
how long man could live without water
-----Could you do me a favor ?------It depends on _____ it is .
#79015
A
whichever
B
which
C
whatever
D
what