______ trees are cut down in the forests every year.
| A．Thousand | B．Thousands |
| C．Thousands of | D．Thousand of |
Now people like to write articles------computers not--------paper.
| A．on ; on | B．at ; on | C．in ; in | D．with ; with |
What-------your school life will be like?
| A．you think | B．do you think | C．don’t you think | D．you do think |
Please pass me two---------.
| A．pieces of paper | B．pieces of papers |
| C．pieces paper | D．piece papers |
She will be a doctor------ two months.
| A．after | B．on | C．in | D．at |
This kind of bamboo is not suitable ____pandas _____eat.
| A．for; for | B．for ; to | C．to ;to | D．to ; for |