---Do you know whether they talked about their work or their family
---As _______matter of fact, I couldn’t hear it clearly, as they talked in ______whisper.
| A．the; a | B．a; a | C．the; the | D．a; the |
The teacherhave thought Johnson was worth it or she wouldn't have wasted time on him,I suppose.
| A． | should | B． | can |
| C． | would | D． | must |
Little_____that we were watching his every move,so he seemed to be going his own way in this business.
| A．he realized | B．he didn’t realize |
| C．didn’t he realize | D．did he realize |
The field research will take Joan and Paul about five months;it will be a long timewe meet them again.
| A． | after | B． | before |
| C． | since | D． | when |
John received an invitation to dinner,and with his work_____ ,he gladly accepted it.
| A．finished | B．finishing |
| C．having finished | D．was finished |
—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 |