35. ---Didn't the guard see him breaking into the bank?

---No, he_______ in the other direction.

A. was looking 　　　　　 B. had looked　 　　　　 C. looked 　　　　　D. is looking

34. It _____ we had stayed together for a couple of weeks _____ I found we had a lot in common.

　　　 A. was until; when　　　　 B. was not until; that　　　

C. was not until; when　　　 　　　　 D. was until; that

33.　 The price of any product is linked to a complicated system of prices ______ everything depends on everything else.

A. where 　　　　　　　　　　　　　　 B. which 　　　　　　　　　　 C. that 　 　　　　　　　　　　 D. of which

32. ---Would you like to go to the cinema with me tomorrow afternoon?

　 　 ---I'd like to, Mum, but I ________ to a party by Jane. It is her birthday.

A. am invited　　 　　　 B. was invited　 　　　

C. will be invited　　 　　　 D. have been invited

31.　 So much advanced technology　　　　 from abroad can improve the qualities of our products.

　　　 A. having brought in　　　　　　　　　　　　　　　　　　　　 B. having been brought in

　　　 C. has been brought in　　　　　　　　　　　　　　　　　　　 D. have been brought in

30. ________ your composition carefully, some spelling mistakes can be avoided

A. Having checked　 　　 B. Check　 　　　　　C. If you check　　 　 D. To check