题目内容
-- I’d better ________ now. The water is boiling in the kitchen.
--- Good-bye.
A. ring back
B. ring up
C. hold on
D. ring off
| D |
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题目内容
-- I’d better ________ now. The water is boiling in the kitchen.
--- Good-bye.
A. ring back
B. ring up
C. hold on
D. ring off
| D |