---You look unhappy, what’s happening, my son? ---I’m wondering how long it’ll be________ we come to China again. 
#92424
A
since
B
when
C
before
D
after
推荐题目
—Having many helpers makes a task easier and faster to complete. —I think so. _______ .
#92132
A
Many hands make light work
B
All is well that ends well.
C
The early bird catch the worm
D
The more you learn, the more you know
—Excuse me, I wonder if you can help me?—Sure. _______?
#94093
A
What help
B
What is this
C
What is it
D
What do you want
There was         time         I hated to go to school.
#92786
A
a; that
B
a; when
C
the; that
D
the; when