It was in 2005 when I was here on business ________I found Chengdu so comfortable for people to live in.
| A．when | B．before | C．that | D．which |
The flowers his friend gave him will die unless _________ every day.
| A．watering | B．watered | C．is watered | D．waters |
________, or we will be late for the meeting.
| A．To hurry up | B．Hurrying up | C．Hurried up | D．Hurry up |
Though it was in the midnight, ________ there were a lot of people in the street.
| A．and | B．but | C．yet | D．however |
The ground isn't wet. It ________ have rained last night.
| A．mustn’t | B．shouldn’t | C．wouldn’t | D．can’t |
We tried to find a table for seven, but they were all _______.
| A．run out | B．taken up | C．used up | D．picked up |