—Hi, Johnson, any idea where Susan is?
—It’s class time, so she ______ in the classroom now.
| A．can be | B．must have been | C．might have been | D．should be |
–I was wondering if we could go skiing on the weekend.
–______ good.
| A．Sound | B．Sounded | C．Sounding | D．Sounds |
The house rent is high. I've got about half the space I had at home and I'm paying ______ here.
| A．three times much as | B．as much three times |
| C．much as three times | D．three times as much |
______ we have enough evidence (证据), we can't win the case.
| A．Once | B．As long as | C．Unless | D．Since |
My uncle ______ in Beijing for over 10 years. Now he lives in his hometown in Fuzhou.
| A．has worked | B．worked | C．had worked | D．works |
At our factory there are a few machines similar to ______ described in this magazine.
| A．them | B．these | C．those | D．ones |