Complete the sentences using your new vocabulary. 1)I dont think its

1)I dont think its fair not to invite Sally go shopping with us.

2)Dont you remember that we are supposed to go to our party tomorrow?

3)Its your duty to help your grandparents.

4)Im not sure who invented the radio.

5)How can we reach the biggest mountain?

6)I suppose you will be at the meeting.

7)Do you have the courage to tell the truth?

8)Can you hold my backpack?

9)Have you any evidence that she was leaving late at night?

10)If a person tells lies it is better to stop being friends with him.