Mr Wang does what he can ________ us improve our English.
In American, a friend inviting you to a restaurant doesn't mean that he or she will pay for the meal ______ you are told ahead.
We are said to be living in______ Information Age, ______ time of new discoveries and great changes.
This pair of jeans______ hand, and it______ very comfortable.
- What time will Mr. Brown be back to China? - Sorry, I don't know______.
- 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.