You will fall behind others_______ you work hard.
#56590
A
if
B
unless
C
though
D
since
推荐题目
—What’s the matter with you? You look so worried.-- I don’t know ___________ the problem.
#57173
A
what to solve
B
how to solve
C
to solve what
D
how can I
----Did you call Sara back ? ----I didn’t need to ,_____ we’ll have a meeting together tonight.
#57460
A
though .
B
unless
C
because
D
if