This camera is too expensive. I’d like a one.

________ name is Tony and ________ name is Lucy.

my God, I left my portable computer in the taxi!— ________. Let’s call the taxi company first．

The old house is regarded as a part of local history, so it should be _____.[ ]

. In salad bars the waiter does not bring you salad. You have to____ yourself, usually to as much as you want.