--- Many trees around our school last spring.
---The more trees, the better.
A. were planting B. planted
C. were planted D. are planted
You be tired after playing sports for a long time without a rest.
A. need B. must C. can D. should
---Bob has got his trousers dirty again!
---Don’t be angry with him. , he’s only a five-year-old child.
A. After all B. Above all
C. First of all D. That’s all
She looked at the beautiful scarf and wondered .
A. how much does it cost B. how much it costs
C. how much did it cost D. how much it cost
--- are the Winter Olympic Games held？
---Every four years.
A. How far B. How often
C. How soon D. How long
---You should your teacher’s advice if you want to improve your science.
---That sounds great.
A. get B. catch
C. follow D. hear
