Excuse me, Mum. When can we have dinner? —Not until itin half an hour.

Shall I turn the heating on?—Sure, it’s so cold in here. I’m freezing.

_____ have you studied English? —For five years. [ ]

The wallet must ________ LiLei’s. Look! It has his ID card in it.

_______healthy, you should eat ______and exercise more.—–I can’t agree with you more.