Don’t start reading a book ________ you find that it’s one you can read with ease and understanding.
#32363
A
when
B
if
C
unless
D
though
推荐题目
(2013·天津12区二模)He never thought that his success came ________ he least wanted it.
#30551
A
until
B
since
C
when
D
while
. Do what you think is right, ______ you will gain a surprising happy ending.
#34290
A
and
B
but
C
before
D
/
____________ the weather has improved, the game will be held as planned.
#31656
A
While
B
Since
C
If
D
Unless
You can’t use my bike _____ you return it to me by the weekend.
#31644
A
if not
B
unless
C
because
D
though