________do you do morning exercises?—Every morning.[ ]
____ does your friend come to China?—”Once a year.”[ ]
What’s the noise ? It sounds as if it comes from upstairs. –______. It must be the window-cleaner working , next door.
Jane usually comes to school _______ bike, but sometimes she goes to schoolfoot.[ ]
He knew the problem was serious and promised to look into it _____ he reached office.