21. We were shocked to hear the news that 3 Chinese engineers were shot in Pakistan, two of whom were shot to death on the spot, worse still, ____ third one died in hospital afterwards. the? / a ?He went to the USA in 1988 for the first time, and he went on a second trip to the USA in 1992.After having failed twice, he had ____ third try.He has won 3 Nobel prizes , ____ third of which was in 2008.

the

athe

22 on a global scale 全球范围内 on a large/ grand scale 很大范围内extension n. 扩大，延伸，延长 .

We had hoped for the extension of the deadline to the end of the week.extend Vi/ Vt.延长 , 延伸 ; 扩大 , 扩展1. Can't you extend your visit for a few days?2. The school is extending the range of subjects taught.3. Oue land extends as far as the river.4. Hia writing career extended over a period of 40 years.

23. Fill in the blanks with respectable/respected/ respective/ respecting/respectful1.Mr li is a much lovable and ________________ teacher2.We were brought up to be ____________ of our teachers3.They are regarded as specialists in their __________ fields4.All the information ___________ the lost boy shall be reported to his parents.5._______________________________ ( 恕我直言 ), sir, I can’t agree.6. The two groups were similar ____________________ _____________ ( 关于，至于，就…而言 )income and status.

respected/ respectable

respectful

respective

With respect/ With all due respect

respecting

with respect to / in respect of

28. Fill in guard / defend/protect/ prevent1.The dog was ____________ its owner’s luggage2.You can’t get in; the whole place is ___________3.The prisoners were __________ by soldiers.4.Troops have been sent to _________ the borders.5.Troops have been sent to _________ 　 aid workers against attack6.The rain _________ the travelers from going on their trip.7.The focus of medical care in our society has been shifting from curing disease to _________ 　 disease.8. A fence was built to _______ the garden.

guardingguarded

guarded

defend

prevented

preventing

guard

protect

29 On returning home, she found a note ______ to the door, reading:“Call in later”.

A note is attached to the door.A note is being attached to the door. On returning home, she found

a note being attached to the door, reading : “call in later.”

Which is being attached to the door.

1. on 一…就…，在……后立即He jumped with joy on hearing the news.他一听到这个消息之后就高兴地跳了起来。2. find sb doing sth 发现某人正在做某事昨天晚上当我到家时， 我发现他正在偷一辆自行车。I found him stealing the bike last night when I arri

ved at home.He found them_______at a table____.A.sat; to play chess B.sitting; to play chessC.seated; playing chess D.seat; play the chess

1. _____ into use in April 2000, the hotline was meant for residents reporting water and heating supply.

A. Put B. Putting C. Having put D. Being put

2.Linda worked for the Minnesota Manufacturing and Miring Company, ____ as 3 M

A. knowing B. known C. being known D. to be known.

3.The problem _______ now will be solved tomorrow.

A. being discussed B. discussed C. to be discussed.