Are these your books— No, _____ aren’t. _____ books are in the bag.

The noise _____ like a train going under my house.

Lisa was seen ______ an old man go across the street this morning. –What a kind girl she is!

The trade union intended to call on theworkers to go on strike ______ the government’s limitation onexports.

─ I called you yesterday evening, but there was no answer.─ Oh, I am sorry. I dinner at my friend’s home .