The old scientist devoted all her time she had ____ the western parts of China.

There _____ a talk show on CCTV5 at nine this evening.

Do you know the person with __________ he always chatted online?—Yes, one of his QQ friends.

I think I’ve got a bad cold, Doctor. Shall I take some medicine? – No need. Your body it self is able to______ the virus. Just drink more water and rest.

Peter, let’s check what we still have left.—Well, _____ is no use evaluating the total loss before the typhoon leaves.