— Why do you look so worried? — My computer broke down last week and my essay has been left ________ since[ ]

Do you _________ he is an excellent student? —-Of course, he is. What’s more, he has a gift _____ music.

I don’t think she is a nice woman; I am _____ her empty talk.

Shall we have a picnic this Sunday?— Unless it________.[ ]

Peter has many friends;_________can help him.