1. He suggests going to Australia on vacation. Why don't we go to Australia on vacation? ……………………………………………………………………………………………..
2. Let’s go by bus. How about going by bus ………………………………………………………………………………………
3. My family is not planning on visiting Nha Trang next summer. My family is not going to visit Nha Trang next summer ……………………………………………………………………………………..
4. Would you like me to finish the work tonight? I will finish the work tonight ……………………………………………………………………………………………..
5. There were some big old trees on this street 20 years ago. There used to be some big old trees on this street 20 years old ………………………………………………………………………………………
6.They’ll have to change the date of the meeting again. The date of meeting  will have to be changed again …………………………………………………………………………………………
​7. When did you last ride a bike? How long is it since you rode a bike…………………………………………………………………………………?