,when one makes a large purchase, he shouldhave _____ opportunity to change his mind.

_Jane won the first prize in the English speech contest. –_ big progress she has made! She used to be weak in English.

How much are the two pairs of shoes —They are not expensive. I think fiftydollars ______ enough.

______ surprised the family most was ________ the girl played basketball very well

__________the woman in black–She’s my mother.