-
最佳答案：I do my homework at five.yes,i do.（肯定回答）he often plays basketball every afternoo
-
最佳答案：you (do) have a car有do是强调
-
最佳答案：一般疑问句： Does she often ride a bike to school ?肯定回答:Yes,she is否定回答:No,she isn`t
-
最佳答案：肯定句：I lost my English book yesterday.否定句：I didn't lose my English book yesterday
-
最佳答案：原句本身是肯定句呀!变为否定句：He wasn't in the park yesterday.she didn't play the violin last
-
最佳答案：1.I am not a doctor.are you a doctor?yes I am .No,I'm not.2.he isn't a teacher.I
-
最佳答案：Tomorrow is his birthday.
-
最佳答案：1 Does he like beef?No,he doesn't.Yes,he does.2 Does she go to school every day?
-
最佳答案：I can swim.I can sing.I can't dance.I can't ride a bike.Can you give me a book?
-
最佳答案：c a