11.I was making model planes when my mother came back.（对画线部分提问）

_______ _______ _______ _______ when your mother came back?

2.I think classical music is boring.（改为否定句）

I _______ _______ classical music is boring.

3.My mother was doing the dishes at that time.（同义句转换）

My mother was _______ the _______ at that time.

4.He read a story-book last night.（改为过去进行时）

He _______ _______ a story-book at eight o’clock last night.

5.He wasn’t old enough to go to school. (同义句转换)

He was _______ young_______ go to school.

He ________ a story-book from the library last week.

A. lend

B. lent

C. borrowed

D. keep

He ________ a story-book from the library last week.

[　　]

He ________ a story-book from the library last week.

1. A.
   lend
2. B.
   lent
3. C.
   borrowed
4. D.
   keep