Life is invaluable. This is a price we must pay and a price is worth (pay).
If Jack w jeans to the party, the teachers won't let him in.
Susan is only three years old, but she can dress h .
On weekends, many people like taking food and tents to go (露营)in the mountain.
We need two (小刀)to cut up the bananas to make a banana milk shake.
"Could you please tell me where the bookshop is?" the boy asked (礼貌地).