1 . On the morning of June 17, Xu passed away in Beijing at the age of 100. The respectable translator enjoyed a life worth __________ (remember). (所给词的适当形式填空)

2 . 让您久等了，我很抱歉，因为我有一个重要的会议要参加。
I sincerely apologise for ______ _____ _____for so long, because I have an important meeting_______ ______

3 . He regretted ________(miss) his daughter’s school play, as it was a special moment he couldn't get back. (所给词的适当形式填空)

4 . 在高中开始阶段，我很难处理一些新的挑战。
I had trouble _________new challenges at the beginning of senior high.

5 . I spent most of my summer time __________ in the bed, trying to finish my first novel.

A．to lay

B．laying

C．lying

6 . Bill Gates’ story of q______ (离开，离任) school is different from what you know. Actually, he could go back to Harvard as long as he wanted to. (根据中英文提示填空)

7 . Studying knowledge does not end with g______ from university. It is lifelong learning that keeps us progress. (根据首字母单词拼写)

8 . Bishop says since robots have great difficulty ________ (understand) humor, she feels like it gives her better job safety as a comedy performer. （所给词的适当形式填空）

9 . —Ms Griffin, what should we do__________stupid mistakes in the coming exams?
—Be more careful.

A．avoid make	B．avoiding making
C．avoid making	D．to avoid making

10 . A group of elephants in Yunnan Province have trouble ________ a proper living place. We should help them.

A．find

B．to find

C．finding

D．found