33.They didn't underdtand the problem, did they? ( câu hỏi đuôi- đầu phủ định =>cuối khẳng định)
34.How fast is allowed on this motorway?
35.I suggest that you should meet to discuss how to develop the project.
35.Because of shortantness an oil, we have to cut down on our driving .
Câu 35 mình ko chắc,có gì sai sót bạn bỏ qua!
Chúc bạn học tốt