【题目】There is a tree in the park.(改为复数句)

【题目】I'm reading books.(对画线部分提问)

【题目】Are there any flowers in the classroom?(作否定回答)

【题目】There are some books on the bed.（改为一般疑问句)

【题目】There is some milk in the cup.(改为否定句)

【题目】All towns in China ________ (is/are) Chinatowns.

【题目】Let's ________ (to go/go) to the supermarket.

【题目】There ________ (are/is) some books on the desk.

【题目】Do you want ________ (to go/ going) to the park?

【题目】I'm ________ (send/sending) an email to my friend.