oyment in USA is likely to remain highin 2011, and _______ for the next few years.

e are many students of Grade Threereading in the reading room, most of _________ with their heads buried in theirreference books and notebooks

I __________use a clock to wake me up because at six o’clock each morning the train comes by my house.

The argument remains extremely heatedit is necessary to frequently update teaching material.

He insisted that hesuffer from heart trouble, but I didn’t think so.