．—Steve come back because the window is open．
—Yes．but he _______left it open last night．
| A．must have；might have | B．might have；can’t have |
| C．can have；should have | D．might；must have |
----Did Peter fix the computer himself?
-----He ________, because he doesn't know much about computers.
| A．has it fixed | B．had fixed it | C．had it fixed | D．fixed it |
I can’t _________ his rudeness anymore, so we began to quarrel.
| A．keep up with | B．come up with | C．put up for | D．put up with |
One thousand dollars a month is not a fortune but would help cover my living ________.
| A．bills | B．expenses | C．prices | D．charges |
John received an invitation to dinner, and with his work ________, he gladly accepted it.
| A．finished | B．finishing | C．having finished | D．was finished |
He was educated at the local high school, ______ he went on to Beijing University.
| A．after which | B．after that | C．in which | D．in that |