If you really want yourself to be in good health, you must＿＿＿always＿＿＿so much.

A. not； be smoking     B. not； have smoked

C. not； to smoke       D. be not； smoking

The railway was opened＿＿＿＿＿＿traffic＿＿＿＿＿＿＿ April 4, 1985.

A. to； on     B. to； in     C. by； on     D. for； on

—— Excuse me, could you tell me the way to the station?

—— The station? Take the second turning＿＿＿＿＿and＿＿＿＿＿＿.

A. to left； then go straight on

B. to the left； then go straight on

C. to left； then go right forward

D. to the left； then go right forward

The student, ＿＿＿＿whom all the teachers are pleased,is very strict ＿＿＿himself ＿＿＿ everything.

A. to； with； in       B. with； with； in

C. with； at； with     D. at； with； at

—Where do you think＿＿he＿＿the computer?

   — Sorry. I have no idea.

A. has ； bought    B.／ ； bought      C. did ； buy    D. had ； bought