you understand this rule, you’ll have no further difficulty.
#31690
A
Until
B
Unless
C
Though
D
Once
推荐题目
Cindy shut the door heavily and burst into tears. No one in the office knew she was so angry.
#31149
A
where
B
whether
C
that
D
why
You must learn to consult your feelings and your reason________you reach any decision.
#30241
A
although
B
before
C
because
D
unless
．The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
#34793
A
what
B
which
C
that
D
though
She worked hard ________ everything would be ready by the time he came back.
#80243
A
since
B
so that
C
as if
D
unless