Have you read this book-Yes．I _______ it two weeks ago．

He could not __________ a right answer, so he felt very sad.

Do you know where David is? I couldn’t find him anywhere. – Well. He _____ have gone far — his glasses are still here.

The manager demanded that the task ______ within a week.

Mary would rather_______ inside_______ while I would rather she________ to go shopping with her friends.