—Is that boy under the tree Li Ming?—No, it _______ be Li Ming. He is in Shanghai now.
It is ___________ to hold the water.
You must have breakfast, _________ you may have a stomachache.
It is difficult ________me _______ English well. But I’ll study harder.
Don’t swim here ,or you may be __________.
—Tom, supper is ready.—I don’t want to eat________, Mum. I’m not feeling well.