---Have you found your book yet? ---No. I’m not sure where I ___it.
.The bus hasn’t yet______, although it should have arrived here half an hour ago.
.He wants to see changes in the company and I am sure he will, ______.
.I am looking forward to ______ your answer as soon as possible.
.— Could I use your dictionary for a few moments, please?— ______. I’m not using it myself.
.She ______have stopped her work halfway.