1. C. should I => I should

2. C. inviting => to invite

3. B. to tell => to say

4. D. sunbathe => sunbathing

5. C. bringing guests => to bring guests

6. B. was starting => started

7. D. admitting to => being admitted to

8. B. are => is

9. A. Why not => Why don't

10. C. being treating => being treated

1. C- I should

2. C - to invite ( plan to Vnt : dự định làm gì )

3. B - to say ( to tell thường với nghĩa là kể chuyện...)

4. D - sunbathing ( từ and nối 2 từ cùng loại, like + Ving)

5. C - to bring guests ( permit to vnt)

6. B - started ( từ start khồng dùng trong thì tiếp diễn)

7. C - away from ( keep sb away from sth : ngăn cản ai khỏi cái gì )

8. B - is

9. A - don't you ( Why don't you/we : mẫu câu rủ mời)

10. C - being treated ( bị động)