The girl was so ____ by the mighty river that shewould spend hours sitting on its bank and gazing at the boats and rafts goingand coming.

Things in your room are all over the floor. Be sure to__________before the guests__________.— No problem.

______ fine weather it is!

There _____aknifeandforkonthetable.

．Our teacher is very busy.He is ________ in working out a teaching plan.