(   ) 3. [2015.株洲]December is       and last month of the year.

   A. the twelfth   B. twelfth

   C. the twelve

(   ) 2. [2015 • 長沙]It's necessary for us        to our parents when we have problems.

   A. to talk   B. talking

   C. talk

(   ) 1. [2015 •成都] —Lin Dan won the badmin?ton game again.

―Yes,I think no one can do        than him.

   A. well   B. better

   C. best

10. 你們將廢物分成要回收的和需丟棄的嗎？ 

Do you divide the waste into things to        and things to                ？

9. 談?wù)撐覀儾荒茏龅氖虑槭菦]有用的。

It's no use                the things we can't do.

8. 環(huán)保課結(jié)束后，我擔(dān)心我們的將來。

After our lesson        the        ，I'm                the future.

7. 抱最好的希望，做最壞的準(zhǔn)備。

                the best and prepare for the worst.

6. 政府應(yīng)當(dāng)采取措施保護(hù)留守兒童。

The government should                      protect the left-behind children.

5. 在你充分利用這些東西之前，不要丟棄它們。

Don't                 these things        you have made full use of them.

4. 你知道嗎？野蠶可以入藥。

Do you know that? The wild silkworms            used as medicine.