Cars, buses, bikes and people stop when the traffic lights are red.A.can B.may C.must
Some girlsat the end of the street. They might go to the park..
In summer, food goes bad easilythe weather is very hot.
Don’t worry about,Mom. I can take care of ..
---DO you have any for this summer vacation? ---I want to take a trip to Qinghai.
L like my new house. It is closemy school.