It is a long time _______they separated, but it won’t be long ____ they meet again.
#94026
A
since; before
B
after; when
C
since; when
D
after; before
推荐题目
In the exam , the      you are, the     mistakes you’ll make. 
#92312
A
carefully; little
B
more carefully, fewer
C
more careful; fewer
D
more careful; less
The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
#94981
A
to be invented
B
having been invented
C
invented
D
to have been invented
Not only ______ prepare lunch for us, but also _______ clothes for us.
#93771
A
he did , he washed
B
he did , did he wash
C
did he , he washed
D
did he, did he wash
 Just after putting away the dishes, _______.
#93684
A
the doorbell was rung
B
mother heard the doorbell ring
C
someone knocked at the door
D
the doorbell rang loud