() 5. —What were you doing when he came in?

    —I my sister with her English when he came in.

   A. helped   B. help

   C. helping   D. was helping 

() 4. I was studying in the library,Mike called me.

   A. Before   B. What

   C. How   D. While

() 3. I called Jane yesterday,but she didn't

   A. pick out   B. pick up

   C. get up   D. put up

() 2. My alarm didn't this morning,so I was late for school.

   A. go off   B. get off

   C. get on   D. run off

Ⅲ.单顶选择

() 1. —What you at this time yesterday?

    一My homework.

   A. did;do   B. are;doing

   C. were;doing   D. are;do

6. Mom was cooking when the phone (ring) .

5. My mother (buy) me a new computer yesterday.

4. I went home and (eat) some warm food.

3. Our teacher (give) us a lesson when John came.

2. I (shop) when the rainstorm came.