_______he grew older , he began to go deaf.
#32068
A
As
B
When
C
While
D
With
推荐题目
Experts are trying to work out a plan to deal with the problems caused by global warming ______ it is too late.
#31459
A
when
B
if
C
before
D
until
__________ the kids have left home, we’ve got a lot of extra space.
#33149
A
As soon as
B
While
C
Now that
D
Before
How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
#31115
A
unless
B
when
C
until
D
while
The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong.
#30719
A
while
B
or
C
since
D
if