You shouldn’t accept a gift from a person _____ you don’t know him.
#31530
A
until
B
unless
C
if
D
whether
推荐题目
(2008·山东，26)Occasions are quite rare ________ I have the time to spend a day with my kids.
#30483
A
who
B
which
C
why
D
when
The question came up at the meeting _____ we had not enough money to do the research.
#34576
A
whether
B
if
C
that
D
what
It’s hard to avoid mistakes. _____ we realize our mistakes and do our best to correct them, that’s all right.
#34725
A
As if
B
As long as
C
Even if
D
In order that
_____ you have finished your report, you can have it _____.
#31650
A
Now for; printing
B
Now that; printed
C
So far; been printed
D
So that; being printed