Lesson 9 Were you at school yesterday?同步练习1. We ___ at school yesterday. A. was B. were C. is2. This was the _____house. A. pig B. pigs C.pig’s3. I ____ the house yesterday.A. clean B. cleaned C. am cleaning 4. She ___TV yesterday.A. watching B. watched C. watches. 5. __ he__...
