There__________ great changes in our city in the past 10 years.
-_______is the old bridge over the river?- Not very wide. It's about three meters.
We didn’t find________ in the picture.
- _______ exercising, and you'll be healthier.
----When did you _________ Suzhou last night?----At about 9 p.m.
Are they ______ grandparents ?