I was drawing a horse when Jim __________to my house.

When I came into the classroom this morning, it ______ me that I had left my book in my dormitory

The skirt looks different from the others and it’s really nice.– Thanks. It ________ by my mother last month.

Very few students spent as much time ______ Amy did ______English.

Many families have their own cars. __________， it causes the terrible air problem.