Do you mind ________ the light. It’s too dark in the room .
| A．turning off | B．turning on |
| C．to turn on | D．to turn off |
—I called you at 8:00 yesterday evening，but there was no answer．
—Oh，I’m sorry．I________dinner at my friend’s house．
| A．have |
| B．had |
| C．was having |
| D．have had |
What________from three to four yesterday afternoon？
| A．have you done |
| B．had you done |
| C．did you do |
| D．were you doing |
—I called you at 6 o’clock yesterday evening，but nobody answered．
—I’m sorry．I________my friends download the movie Kung Fu Panda Ⅱ when the telephone rang．
A．would help
B．helped
C．was helping
—I saw Mr Smith in the office at ten yesterday morning．
—That’s impossible．He________an English party with us then．
| A．has |
| B．had |
| C．was having |
| D．has had |
________I was in the US，I made a lot of American friends．
| A．While |
| B．Although |
| C．Unless |
| D．Until |