2 Linda is working (in the room).

____Where is___ Linda ____working____?

3 They are going home (at five o’clock).

____When are_____ they __going___ home?

4. Jack is (eating hamburgers and hot dogs.)

___What is___ Jack ___doing___?

5.Mike is drawing pictures now. (改为否定句)

Mike __isn't__ ___drawing____ pictures now.

6. Betty is eating some bread. (改为一般疑问句)

_Is_ Betty eating __any__ bread?

如果满意，请采纳~ 谢谢！