Part 1:
1. as
2. don't
3. along
4. longer
5. extremely
6. who
Part 2:
1F
2B
3D
4C
5A
6E
Part 3:
1. come
2. take ( used to + Vnt )
3. are having ( thì hiện tại tiếp diễn )
4. reading
5. impressed
6. haven't seen ( for -thì hiện tại hoàn thành )
7. will built ( câu bị động thì tương lai đơn )
8. surprisingly (adv)
Part 4:
1. which => that
2. turn => turning
Part 5:
1. if he knew
2. was completed by people in 1931 ( câu bị động thì quá khứ đơn )
3. travel abroad if I were
4. we bought yesterday is