Not until _______ home _______ her appointment with the doctor.
--I’d like to invite you to dinner this Saturday. --_______.
语音知识(共5小题,每小题1分,满分5分) skim
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If we _________ the earth, we must take action before it is too late.
Cycling is a good way of exercise and is quite easy _________.
---Did you make a phone call to your parents?---Certainly. Hardly ____ the destination (目的地) when I phoned them.