Wang Pin is an orphan.He has no dad ___ mum.
#80408
A
and
B
but
C
or
D
/
推荐题目
How did you manage to get to school on time ______ you missed the school bus?
#79910
A
when
B
if
C
once
D
because
---Could you please give the dictionary to Wang Feng?---Yes, of course! I’ll give it to him ________ he comes back.
#29946
A
since
B
before
C
as soon as
D
until
Don’t turn off the computer before closing all programs, _________ you could have problems.
#30878
A
or
B
and
C
but
D
so