—Who telephoned you just now?— don’t know. I was about to answer the phone when it ________.
#73064
A
rang up
B
rang off
C
hung on
D
rang back
推荐题目
-I heard Back Street would sing at the New Theater.-Where did you _____?
#83308
A
pick that up
B
put that up
C
make that up
D
take that up
To get to the top of the mountain, we had to _______.
#81498
A
go some walking  
B
do a lot of climbing
C
walking a long way
D
doing a lot of climbing
Such food doesn’t keep long. You may as well     it in fridge.
#69374
A
compensate
B
process
C
preserve
D
reserve