—I’m afraid that I can’t do it.—Oh, you should believe in yourself. You won’t know what you can do______ you try it.
#57720
A
if
B
because
C
until
D
while
推荐题目
Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.
#55292
A
unless
B
if
C
since
D
whether
We had to wait half an hour we had already booked(预定) a table.
#56455
A
since
B
although
C
until
D
before
Many people believe _______ robots will do most of our housework in the future.
#57999
A
that
B
if
C
why
D
how
Mother keeps telling her son not to get off until the bus .
#55396
A
will stop
B
is going to stop
C
stopped
D
stops