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_________ people were watching the sky, the alien got out of the UFO.
#57263
A
If
B
When
C
Because
D
While
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—Please say something about Zheng He. —Oh! He is the Ming dynasty explorer of ______ all the Chinese are proud.
#55667
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who
B
whom
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whose
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that
 Although it was very cold,            he went out without an overcoat.
#55676
A
but
B
/
C
and
D
so
–Kate, do you know ________ it is from here to the gym?–About twenty minutes’ walk.
#56157
A
how long
B
how far
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how soon
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how often
It will be 2 years ______ we see each other again.
#55648
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after
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before
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if
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though
They missed the school bus, _____ they were late for class.
#55168
A
or
B
but
C
because
D
so