4. Viết lại câu sao cho nghĩa không đổi 1) “Why don’t you turn off more lights in the house to reduce your eyestrain?” If I _________________________________________________________________________ Gợi ý dùng If 2 2) Keeping the environment clean is very important. It’s ________________________________________________________________________ Gợi ý: It’s + tính từ +to + động từ nguyên thể 3) You will not be accepted if you don’t finish your homework. Unless ______________________________________________________________________ 4) They arrived late because the traffic was terrible. Because of __________________________________________________________________ Gợi ý: Sau because of + danh từ/động từ đuôi ing 5) Peter spent 3 hours on repairing his computer. It took ______________________________________________________________________ Gợi ý: It take somebody + thời gian + to + động từ nguyên thể 6) The last time we saw him was in 1988. We haven’t __________________________________________________________________