问题

What are you listening _____?
A: /
B: for
C: at
D: to
B: for
C: at
D: to
正确答案是:
同类题型
Being popular with children, these toys ______ well and _____ in two days.
30._______ I know about this competition is that it is held every two years
Have you returned the library book — Yes, I’ve returned it.
. My meaning didn’t ________, so I explained it a second time.
the same story many times, my little brothercan now tell it himself.