They boy said ________ couldn’t he work out the problem but his teacher didn’t know how to do it.
I ______ have watched that movie --- it will give me horrible dreams.
The police say radio signals were probably used to set the bomb __________.
--- John went to the hospital alone. --- If he _______ me about it, I would have gone with him.
Please read the ________ on the bottle and take the right amount of medicine.
They did not sell a single car for a month and had to ________ some workers.