---Do you know about a very popular toy--- the yo-yo(悠悠球)?
---Yes. Filipinos(菲律宾人) invented it ________ accident. And it ________ helping kill animals.
| A．at; used to | B．on; was used to |
| C．by; used for | D．by; was used for |
To make our city more beautiful, a large number of trees ________ in the mountains last year.
| A．was planted | B．were planted |
| C．are planted | D．is planted |
---Our hometown develops so fast.
---That’s true. Great changes ________ there in the past few years.
| A．happened | B．took place |
| C．were happened | D．have taken place |
--- Excuse me, sir. Smoking ________ in the hospital.
---Oh, I’m really sorry.
| A．isn’t allowed | B．doesn’t allowed |
| C．isn’t allowing | D．doesn’t allowed |
－Who will be the winner of the speech contest?
－No one can know the result until it ____________tomorrow morning.
| A．will announce | B．will be announced |
| C．is announced | D．announces |
Obama is ____________ the first black president of the USA.
A. known as B. known of
C. known for D. known to
--- ________ I know by what time you want the report to be done?
--- By the day after tomorrow. ______ you finish it on time?
| A．May; Can | B．Must; Need |
| C．Could; Must | D．Need; Would |
The film by Spielberg is worth .
| A．was directed; seeing | B．directed; seeing |
| C．was directed; to see | D．directed; to see |
---Do I have to sell my old computer? It almost stops working.
---You ________ do so, it only needs ________. Something has gone wrong with it.
| A．mustn’t; to repair | B．may not; to repair |
| C．needn’t; repairing | D．can’t; repairing |
—Mum, must I stay there the whole day?
—No, you . you come back after lunch, if you like.
| A．mustn’t； can | B．needn’t； must |
| C．needn’t； may | D．mustn’t need |
--_______David be the new chairperson of the Birdwatching Society ?
--He ________be, but I’m not certain about it.
| A．Can; can’t | B．Can; may |
| C．May; must | D．May; mustn’t |
--Where are you going for your winter vocation?
-- We _______ go to Hainan, but we are not sure.
| A．must | B．may | C．need | D．should |
---Whose book is it?---look! Jane’s name is on the cover(封面). It _________ hers.
| A．can’t be | B．must be | C．should be | D．must is |
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