Unit 4 A charity show-
疑問式：can/may/must/should /ought to be done?
【典型例題】
一、選擇題
( ) 1. the flowers ___ often.
a. must be water b. must be watered c. must watered d. must water
( ) 2. the books may___ for two weeks.
a. be kept b. be borrowed c. keep d. borrow
( ) 3. the broken bike____ here by mr smith.
a. can mend b. can mended c. can be mend d. can be mended
( ) 4. the river smells terrible. people must ___ dirty things into it.
a. be stopped to throw b. be stopped from throwing
c. stop to throw d. stop from throwing
( ) 5. the teapot ___ water.
a. is filled with b. filled of c. filling of d. filled
( ) 6. old people must be ___ politely.
a. speak to b. spoken c. speak d. spoken to
( ) 7. old people must ___.
a. look after well b. be looked well after
c. looked well after d. be looked after well
【答案】
badbadd
二、完成下列句子
1. i think one day books may ________ (place) completely.
2. my bike ___________ (leave) at school, so i have to take the bus to school today.
3. the battery __________ (change) yet. how can i use my recorder?
4. paper should not _________ (throw) away.
5. books and other material can _________ (borrow) from the library.
6. i’ve bought a second-hand mp3 player—and about 1,000 songs have ________ (download) onto it!
7. has the computer __________ (repair) yet? i need to write my article with it.
8. what has___________ (turn on)? the radio.
【答案】
1. be placed 2. has been left 3. hasn’t been changed 4. be thrown
5. be borrowed 6. been downloaded 7. be repaired 8. been turned on
語法四：because & because of的用法
區別：because + a clause of reason
because of + noun./pronoun
e.g.: i did not go because of the rain.
=i did not go because it rained.
he did not buy a present for his mother because he had no money.
=he did not buy the present for his mother because of no money.
practise:
david didn’t go to school yesterday _________ his cold.
i didn’t go to school yesterday _________ i had a cold.
the football game is cancelled today __________ the sandstorm.
there was a traffic jam in xuanwu district ________ a car accident.
a lot of people were trapped in the airport _______ the bad weather.
because 與so可以互換
1. because we want to raise money for charity , we are organizing a show.