1. B ( suggest + V-ing)
2. A ( suggest that someone should + V)
3. A ( promise + to V mà đã to tear down rồi thì ko cần thêm to V nữa, kết nối = and)
4. A ( let someone + V = allow some one to V)
5. A ( want + to V)
6. C ( expect + to V)
2/
1. It is easy to answer this question
2. It is difficult to read his handwriting
3. It is convenient to live in this house
4. It is very safe to use that ladder
5. It is very interesting to watch these films.
Chúc bạn học tốt !