——Someone called you just now.——I know. But I was busy at that moment. When I called back, there was no     .
#42891
A
voice
B
sound
C
answer
D
result
推荐题目
Please ask the headmaster to decide   . 
#40467
A
to go there with whom
B
whom to go there
C
whom to go there with
D
with whom to
---         honey did you put in?---Two spoons.
#42295
A
How many
B
How often
C
How much
D
How long