The medicine works more effectively ______ you drink some hot water after taking it.
| A．as | B．until | C．although | D．if |
By the time Fred gets back home, his girlfriend for London to study.
| A．will have left | B．leaves | C．has left | D．will leave |
—— May I see you at 4 o’clock this afternoon?
—— I’m afraid not, I a charity meeting then.
| A．will attend | B．have attended | C．will be attending | D．was attending |
How to control housing price is said to a great challenge facing the government over the past few years.
| A．become | B．becoming | C．have become | D．be becoming |
Dad, I think a house where we’ve been living for ages needs .
| A．to decorate | B．decorating | C．decorated | D．being decorated |
I want a photo of you. would you give me ?
| A．one | B．ones | C．it | D．that |