1 . I know ________ I promised to take you to dinner, but I won’t finish working until ten o’clock.

A．if

B．that

C．what

D．why

2 . My foreign friend asked me, “Have many great changes taken place in Jinan in the past 10 years?” (改为同义句)
My foreign friend asked me ____________ Jinan had ___________ a lot in the past 10 years.

3 . John asked , “Can you take care of my dog while I’m away?”
John asked _________ I _________take care of his dog while he was away.

4 . "Are you going to give us a lecture this afternoon?" Cindy asked Mr. Black.（改为间接引语）
Cindy asked Mr. Black ________ he ________ going to give them a lecture that afternoon.

5 . "Are there any new markets in this town?" The sales manager wondered. (改为间接引语)
The sales manager wondered __________ there __________ any new markets in this town.

6 . "Do you often spend time with your grandparents?" Lucy asked me. (改写句子，句意不变)
Lucy asked ________ I often ________ time with my grandparents.

7 . We said to her, “Can you do us a favour, Miss Gao?”（合并为一句）
We asked Miss Gao _____ she _____ do us a favour.

8 . —I don’t know ________（是否）Mr White will come to the party next week.
—I think he will come if he is free.

9 . We haven't decided ________ we'll go to the cinema tomorrow.

10 . I really don't know ________ the bridge will be built next month.