John was cleaning the window and Mary was watching TV.
#33577
A
at the meantime
B
when
C
meanwhile
D
while
推荐题目
_______ you want to change for a single room, you’ll have to wait for a while.
#31536
A
While
B
Although
C
Until
D
If
The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
#80217
A
or
B
since
C
for
D
but
He always brings me a pretty gift ____ he comes to visit me.
#33925
A
by the time
B
sometimes
C
every time
D
at times
___________you try to do something beyond what you have already mastered, you will never grow.
#30739
A
Since
B
When
C
Though
D
Unless