10. ______ many times,he finally understood it.

27. The underlined phrase “deformed his fingers” could be replaced by ______.

4.开学考试成绩能够预测入学学后的学业成绩，这说明该测验具有较高的（ ）。

22.

32. What does “sleep-deprived” mean in Paragraph 2?

2.最能发挥教师在教学中的主导作用的教学组织形式是（ ）。

1. It is ______ honour to take part in ______ celebration, so how could I make any mistakes?

14. At that time ______ two important players ______ a big problem for Lang Ping.

12.简述启发性原则及其要求。

28. It is clear that ______.

31. According to the writer, the easiest and cheapest way to improve health is to _________.

9. Time becomes scarce; new friendships are often _____ on sharing the burden of child care.