1. d -> have

2. b -> is

3. B -> well

4. c -> were

5. d -> to get

1. How many floors does his house have? (D)has -> (D)have
2. Pop music is popular with young people all over the world. (B)are -> (B)is
3. They did these exercises well and their teacher gave them high marks. (B)good -> (B)well, (D)hight -> (D)high
4. The boy and the girl were happy because they were given gifts. (B)was -> (B)were
5. How are you getting to the airport? ©going -> ©get

1. How many floors does his house have? (Bỏ "does" và thêm "have")
2. Pop music is popular with young people all over the world. (Sử dụng động từ "is" thay vì "are")
3. They did these exercises well and their teacher gave them high marks. (Thêm "well" sau "did" và sửa "maks" thành "marks")
4. The boy and the girl were happy because they were given gifts. (Sử dụng động từ "were" thay vì "was")
5. How are you getting to the airport? (Bỏ "going")