23.There have been many___ in the field of telecommunications. (innovate)→innovation
Many + với danh từ
24. I love her voice. She always speaks to me____(soft)→softly
Bổ nghĩa cho cụm từ trước nó
25. Mr.Brown is a famous____ in the town (environmental)→environmentalist
Sau tính từ là danh từ
26. Banh chung is a kind of____rice cake (stick).→sticky
Tính từ đứng trước danh từ
27. Everyone loves him because he is____to others.(help)→helpful
Sau tobe +Adj
28. It's not easy to memorise all new words you come across when reading (memory)→to memory
Sau it's not easy +to V
