名词与其数和所有格及数词的表达
To become a qualified librarian, she first worked in a public library for a year to get ________ of the work
| A．firsthand experience | B．the firsthand experiences |
| C．a firsthand experience | D．firsthand experiences |
In thisconflict, about 20 common people were killed.
| A．gentle | B．violent | C．fundamental | D．harmful |
The harm the modern farming methods have donethe countryside is considerable.
| A．on | B．at | C．to | D．for |
Some brave soldiers were chosen to _______ the order of saving the children in danger.
| A．get across | B．put on | C．stand for | D．carry out |
He ______ in this city since he graduated from college.
| A．lives | B．will live | C．has lived | D．would live |
You _____ return my dictionary now. You can keep it and I will get it from you later.
| A．may not | B．mustn’t | C．can’t | D．needn’t |