We want to know he will come back, as we are worried about his safety.
#37328
A
how often
B
how soon
C
how much
D
how long
推荐题目
—Are there any trees on _____ sides of the new street?—Yes, there are.
#43478
A
other
B
another
C
both
D
each
—Don’t worry. Your brother is coming to help you. —________ he doesn’t come?
#42231
A
What about
B
Why not
C
What if
D
What for
People in Korea and Japan are supposed to bow when they meet the first time.
#40587
A
on
B
in
C
during
D
for