---What is the boy doing?---He _____________ happily.A swims B swam C has swum D is swimming
I usually watch TV in my sitting room _________7:00 and 9:00.
,Lucy lives in ________,the capital of France.
Our English teacher is friendly _______us.
His home is far away from the school, but______is close to it.
--How long have you been in London? ---_________.