The earth will become worse and worse ________ we do something to stop her from being polluted.
#55977
A
if
B
even if
C
when
D
unless
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---There is no doubt _______ he will come tomorrow.---But I doubt _______ he will come here on time.
#56137
A
that; that
B
if; that
C
whether; that
D
that; if
______Miss Wang can remember , she has not met the girl before .
#56335
A
As well as
B
As long as
C
As good as
D
As far as
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