Il - Choose the best answer from the four options given (marked A, B.C, or D) to complete each sentence.
6. A. knew
Unreal wish in the present: S1 + (wish) + S2 + V (past simple)
7. B. was built
S + were/ was + PP
8. C. which
9. A. Even though
Although/ Even though/ Though + clause
10. D. However
however (adv): tuy vậy
11. D. raising
suggest + V.ing
12. D. would buy
S1 + asked + O/ wanted to know + if/ whether + S2 + V (one tense back)
13. A. would
If + S1 + V1 (past simple) +..., S2 + would/ could/ might + V.inf +...
14. C. are produced
S + am/ is/ are + P II
15. B. since
key word: have learnt
16. B. have...seen
key word: already
17. C. have to be rebuilt
S + modal verb + be + P II
18. B. doesn't come
19. A. lived
S + said (to O) + that + S2 + V (one tense back) +...
20. D. doesn't she
