按要求改寫下列各句，每空一詞。 1. My pants are fifty dollars. (改為一般疑問句) _____ _____ pants fifty dollars? 2. The black socks are 2 dollars.(對畫線部分提問) _____ _____are the black socks? 3. The store sells apples.(改為否定句) The store _____ _____ apples. 4. Her sweater is yellow.(對畫線部分提問) _____ _____ is her sweater? 5. Are his shoes black?(作肯定回答) Yes,_____ _____.
