You have finished writing an e-mail on computer , but too many mistakes in it . You can chick _____ .
The forty-first Expo was heldMay 1st 2010 in Shanghai. A. in B. on C. at
Tom is a clever boy. He playspiano very well. A. the B. a C. an
We should be glad to help. A. other B. others C. the others
—Would you like something to eat? 一Some, please. A. rices B. fishes C. tomatoes
The policeman asked Mr. Smith .