Mother was busy washing dishes ________________ Father was watching TV．
#30098
A
until
B
if
C
since
D
while
推荐题目
We don’t doubt _______ we will complete all the projects before the year 2010.
#32433
A
when
B
if
C
that
D
whether
Telephone users sometimes complain about unreliable service and they consider unfair charges.
#30607
A
which
B
that
C
what
D
how
______, I think, and all the problems could be settled.
#80535
A
If you make more efforts
B
Making more efforts
C
A bit more effort
D
To have made more efforts
_____ the English examination I would have gone to the concert last Sunday.
#80571
A
In spite of
B
But for
C
Because of
D
As for
—May I go out tonight?—Of course you can, _____ you promise to be back before 10 o’clock.
#31198
A
as soon as
B
as well
C
as long as
D
as usual