So far nobody has claimed the money in the library.
| A．discovered | B．to be discovered | C．discovering | D．having discovered |
We_____ the old scientist________ his contribution________ the country.
| A．admire；for；to | B．admire；at；to | C．respect；on；for | D．respect；on；at |
Every student is required to watch the teacher carefully before ___ the chemistry experiment.
| A．performing | B．taking | C．picking | D．having |
I am a stranger here. So the city isn’t familiar ______ me.
| A．with | B．by | C．in | D．to |
—We want to sit at the table near the window.
—I’m sorry，but it________ already.
| A．has taken | B．took | C．was taken | D．has been taken |
I would __________it if you would let me deal with this by myself.
| A．appreciate | B．inspect | C．protect | D．replace |