she was out of the room, he took a quick look at the papers on her desk.
#30733
A
If
B
While
C
Though
D
Unless
推荐题目
(2013·高考新课标全国卷Ⅰ)There’s no way of knowing why one man makes an important discovery________another man，also intelligent，fails.
#30672
A
since
B
if
C
as
D
while
I criticized him, you know, not ________ I hate him but ________ I love him.
#80257
A
because; because
B
because; for
C
for; because
D
for; for
-- Are you fond of watching TV?--- Not a bit. I would sit alone in the dark _______ I would watch TV.
#31383
A
before
B
if
C
while
D
after
-– I wonder how much you charge for your services.--- The first two are free the third costs $30.
#80672
A
while
B
until
C
when
D
before