Many countries,         American, Japan, Brazil and Spain, want to host the 2016 Olympic Games.

Japan and other countries have taken action ________ prevent nuclear radiation (核辐射).

It’s so silly ________ people to buy and store so much salt. It’s necessary ________ them to learn more about salt.

Tom thinks he can catch Jerry, he always fails, _________.

      Ben, we all went to the history museum, because he had to care for his sick mother.

We have sweaters          ＄15 each.

Please call Alice _______ 0779—2032525.

I often go to school ________.

He is going to France in August, and staying _______ September.

--- How many coins have you collected?
--- A box of them _____ .