Choose the word (A, B, C or D) that best completes the sentence. 5.The pencil .............. I write is made in China. A. with which B. by which C. which D. that 6. Mary was the last applicant ............. A. to be interviewed B. to be interviewing C. to interview D. to have interviewed 7. Computer is one of the most important ............ of the 20th century. A. inventing B. inventories C. inventions D. inventors 8. There ........ mutual understanding between friends. A. must be B. must to be C. are D. must have been 9. .......... we save, .......... we can buy a new house. A. The much money / the less soon B. More money / the soon C. More money / sooner D. The more money / the sooner 10. Nam studied hard ............ . A. in order to passing the exam B. so that he will pass the exam C. in order pass the exam D. so as that he will pass the exam 11. When you finish writing, you should .......... your composition. A. keep up B. look on C. pass away D. go over 12. If we .......... earlier in the morning, we .......... at the village now. A. departed / would have arrived B. had departed / would arrive C. departed / would arrived D. had departed / would have arrived 13. Peter is so ........ that he never thinks of anything bad and unsuccessful. A. optimistic B. disappointed C. pessimistic D. keen