Miss. Gao _______ in the library for three years. But now she is a teacher.
| A．worked | B．has worked | C．had worked | D．has been working |
That tree, _______ branches are almost bare, is very old.
| A．of which | B．on which |
| C．in that | D．whose |
As a rule, domestic servants doing odd jobs are paid_______.
| A．by hour | B．by an hour |
| C．by hours | D．by the hour |
Why don’t you bring ____ to his attention that you are too busy to do it?
| A．that | B．what | C．it | D．which |
He began to take political science ________ only when he left school.
| A．strictly | B．seriously | C．carefully | D．truly |
People are talking about the new playin two weeks.
| A．to be put on | B．being put on |
| C．put on | D．puts on |