I don’t think the necklace is made of diamond,____?

A.  do I         B. do you             C. isn’t it     D. is it

 The author wishes to call our attention to the fact ____ the medical services and efficiency are not satisfactory at the moment. 

A.  what         B. whether            C. that D. which

 ________ in the town，I would leave for the countryside. 

A.  By staying　                       B. Than stay 　 

C.  Rather than stay                   D. To stay

 The man said that the car ____ day after day by him for ten years by the end of next year.

A.  would be driven                    B. would be driving

C.  would have been driven             D. would have been driving

 he is such a lazy man ______ nobody wants to work with_____.

A.  as; him      B.  that; /        C. as; /       D. whom; him

 The old man told his grandchildren that the earth _________the sun.

A. circles           B. moved round

C. circle around                       D. around

 --Come on in, Tom. I want to show you something. 

-- Oh, how nice of you! I _______ you _______ to bring me a gift. 

A never think, are going                                    B. never thought, were going

C. didn’t think , were going                   D hadn’t thought , were going 

 She must have arrived there last night , _______ she ?

A didn't             B. haven't

C. needn't          D. mustn't