______ is no need for primary students to work at their desks all the long.
#92527
A
There
B
What
C
It
D
That
推荐题目
 Go and get your coat. It’s ________ you left it.
#95070
A
there
B
where
C
there where
D
where there
________, the boy couldn’t enter his house. 
#94032
A
Since the key has lost
B
The key been lost
C
Lost the key
D
Having lost the key
It’s the third time ________ late for school this week. 
#93236
A
that you are
B
you are
C
when you arrived
D
that you have been
It is a long time ____ they separated, but it won’t be long ____ they meet again.
#92303
A
since; before
B
after; when
C
since; when
D
after; before