1 . Mother’s Day, the second Sunday in May, is usually a good day for flower farmers and florists around the world ________flowers sell best on this traditional Western holiday.

A．if

B．because

C．when

2 . 彼得努力学习是为了在期末考试中取得一个好成绩。
Peter studies hard_____________ he can get a good grade in the final examination.
=Peter studies hard_____________ get a good grade in the final examination.
=_____________ get a good grade in the final examination, Peter studies hard.

3 . ________ I heard that some exchange students would come to our school, I couldn’t wait to write this letter to apply for the reception. (用适当的词填空)

4 . 无论要花多少时间，我都会努力赶上别的同学。
I will try to catch up with others, ________ ________ ________ long it takes.

5 . Some amateurs can perform at such a high level ________ even professionals sing high praises _________ them.(用适当的词填空)

6 . 上周末我们去滑雪时，滑雪胜地挤满了十几岁的孩子。(go skiing，be crowded with) （汉译英）

7 . 由于一切事物都有积极和消极的一面，人们往往在互联网上被犯罪分子欺骗。（positive and negative, tend to）（汉译英）

8 . 无论何时我遇到麻烦，我都能听到脑海中的一个声音告诉我“你能行”。（ring）(汉译英)

9 . 只有当黑暗重新降临到我身上时我才会意识到我还有多少东西还没来得及看。（only+状语（从句））(汉译英)

10 . 尽管我总是全神贯注于学习，我仍然对我的能力持有消极悲观的态度。(be absorbed in) (汉译英)