8.　　　 Can you i______(想象)they have been married for 60 years?

7.　　　 After his e______(解释),I came to know why he was late for class.

6.　　　 Bamboo is light because of its h______(空 ) stem..

5.　　　 He stopped his car to m______(确保)sure whether something had gone wrong

4.　　　 They re planning a grand c______(庆祝活动)on Teacher’s Day.

3.　　　 Some students find it difficult to remember the changes of the i______(不规则)verbs

2.　　　 Not all the people know the importance of controlling the g______(增长)of population.

1.　　　 To my a______(吃惊)and anger, I found her lying to me.

10.　 After the t______( 治疗 ), he felt better.

9.　　　　 It was the captain who save all the p______(乘客)on the ship.