1)I really don’t know if they went to the park yesterday
2)The principal wants to know if the students study hard
3)They wondered if they should buy some food for picnic
4)Lucy asked me if my mother was a doctor
C A D B B C B
1)I really don’t know if they went to the park yesterday
2)The principal wants to know if the students study hard
3)They wondered if they should buy some food for picnic
4)Lucy asked me if my mother was a doctor
C A D B B C B