1.he to use the mobile equipment a. could b. must c. was allowed 2. i wonder, when they the project. a. are finished b. will finish c. finish 3. nothing about the e[periment a. is known b. knows c/ are known 4.you will never get well unless you smoking. a. will give up b. don't give up c. give up 5. if he the time-table he wouldn't have missed the the train. a. had known b. knew c. has known 6. i the walls all day long a. have painting b. have painted c. have been painting 7. i don't mined together a. to work b. working c/ that we work 8. a new station when we came there to have practice a. was built b. was being built c. had built