—I wonder if you could go with me to the supermarket.

—Don，t disturb me. I _____my experiment report all the morning and haven，t finished yet.

A. write    B. was writing

C. have written D. have been writing

–I wonder if Anna is willing to take over the project during your absence
— ________, does it?

I wonder if this is the computer you want______ .

This picture was taken a long time ago. I wonder if you can __________ my father.

I wonder if ____ to come over to my family after work.

A. you are convenient                                B. it is convenient for you

C. it’s convenient of you                                   D. there’s convenient for you