――How many children are there in your family ――So many there used to be, but now I am_______ an only child.

Where did you come across our Chinese teacher — It was in the supermarket ______I purchasedmooncakes．

When I opened the door, a parcel on the floor_____ my eye.

What’s he?— He works _____ an English teacher in that college[ ]

– Look, that gentleman is wearing abeautiful _____ watch— I don’t think it is real one Perhapsit is just a _____ one