lunch is usually served between noon and 2:00. sandwiches are a very popular quick lunch in both the united states and canada.

午餐通常从中午供应到下午两点。 在美国和加拿大， 三明治是极大众化的午间快餐食品。

1.a: please have another sandwich.

b: thank you, but i really can't eat any more.

a: you're going to have dessert, aren't you?

b: well, i'll join you if you're having something.

2.a: you'll finish the chicken, won't you?

b: no, thank you. i'm trying to cut down.

a: aren't you going to have dessert?

b: no, thank you. i just can't eat any more.

3.a: would you like some more soup?

b: no, thank you. it's delicious, but i've had enough.

a: would you like soem dessert?

b: well, maybe i'll have just a small piece of pie.

4.a: can't you eat the rest of the salad?

b: no, thanks. i'm supposed to be on a diet.

a: why don't we have something for dessert?

b: i really shouldn't, but i'll have a little ice cream.