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—What do I have to do ______ I want to be thinner?—Eat less, exercise more.
#57591
A
but
B
since
C
because
D
if
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__ we are young, we can still do something to help protect the environment.
#58217
A
If
B
Since
C
Because
D
Though
Tom rushed into the house______ his mother was cooking.
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A
as
B
before
C
while
D
after
—      go to bed too late, Lucy . — Sorry ,I won’t.
#55475
A
Not
B
Can’t
C
Not to
D
Don’t
The art club is for members only. You can’t go in _________ you are a member.
#57977
A
unless
B
because
C
if
D
though
You’ll fail the test______ you work hard.
#56930
A
if
B
since
C
unless
D
when