The clothing store _____________ a sale. The clothes there are very cheap.
School students ________ smoke because it is against the school rules.
_____ great fun it is to make a snowman in winter.
The flight to London was because of the heavy snow.
Tom is weak in physics. He always feels _______ before he takes a physics test.
Ann is a careful girl. She always goes over her exercises to____ there are no mistakes.