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It is impolite to leave             the meeting finishes.
#58508
A
after
B
before
C
until
D
while
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It’s hot today, ______we want to go swimming in the river.
#55428
A
though
B
but
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so
D
or
You will fall behind others         you work hard.
#55398
A
until
B
when
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after
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Jenny ,hurry up        you will miss the school bus．
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A
so
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but
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—     is your grandmother?—She is 80years old.
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How
B
How old
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How many
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It’s foggy today. I’m not sure             the highway will close soon. Let’s set off earlier.
#55274
A
whether
B
when
C
how
D
why