I don’t know______ he lost his gold watch yesterday.

There is no way he can make a _______ when he leaves school now, I think.

–She looks very happy She________have passed the exam–I guess so It’s not difficult after all

Don’t worry about Peter. He is _______ to get over the problem.

Liu opened her mouth as if _ something to Calaf, but gave up seeing his passionate eyes locked on Turandot.