What do you think the childrenwhen we get home?A. will do　　　　B. are going to doC. will be

问题补充：

What do you think the childrenwhen we get home?

A. will do

B. are going to do

C. will be doing

D. are doing

答案：

A. will do

B. are going to do

(答案→)C. will be doing

D. are doing

解析：此处表示将来某一时刻正在发生的事情。