Daming’s pet dog died yesterday. He was very sad.–I’m sorry to hear that. Let’s ______.

The Canadian friends have given us a lot of books, few of _____ a bit difficult for us.

How I was _______when I heard the _______ news!

I should not have laughed if I _________ you wereserious

Would you like to go for a picnic with us—_____, but I’m too busy.