He was working quietly, with all his attention _______ on the task.
| A．was fastened | B．fastening | C．to fasten | D．fastened |
____ she couldn't understand was ____ fewer and fewer students showed interest in her lessons.
| A． | What; because | B． | That; what |
| C． | What; why | D． |
Why; that
|
It was quite a serious accident, caused by careless driving.
| A．which I think was | B．I think which was |
| C．which I think it was | D．I think which it was |
The politician has been warned that he would be getting into great trouble stick to his standpoint.
| A．were he to | B．he will | C．he was to | D．would he |
at in this way, the present situation about the H1N1 Flu doesn’t seem so terrible.
| A．Looked | B．Looking | C．Having looked | D．To look |
Jane was disappointed that most of the guests ______when she at the party.
| A． | left; had arrived | B． | left; arrived  |
| C． | had left; had arrived | D． | had left; arrived |