(Cho mình xin câu giải thích nhé! Thanks bạn nhiều!!) 5) Choose the best answer: 1. She hasn't finished the letter.............. A. already ; B. just ; C. yet ; D. never 2. Lan's studying hard............. pass the final exam A. for ; B. in order to ; C. so to ; D. as to 3. It's too cold outside. Would you mind ........... the window? A. to close ; B. close ; C. closed ; D. closing 4. Would you like to the movie tonight?- Sorry, I can't . I........... my homework this evening A. am doing ; B. do ; C. will do ; D. doing 5. I am happy .............. all the exams A. passing ; B. to pass ; C. pass ; D. passed 6. The teacher .............. to the vice - principal is charge of my class A. talks ; B. is talking ; C. talking ; D. to talk 7. He said that he............ for a car company A. worked ; B. works ; C. is working ; D. to talk 8. Color television ............ by John Logie Baird in 1928 A. invented ; B. was inventing ; C. was invented ; D. has invented 9. We ............. in Le Nin Park when it rained A. walked ; B. have walked ; C. would walk ; D. were walking 10. The boy .............. next to Lan is a newcomer 11. I ............ the film "Gone with the Wind" A. was seeing ; B. saw ; C. have seen ; D. will see