You look so tired tonight. It is high time you_________.
________ she couldn’t understand was ________ fewer and fewer students showed interest in her lessons.
—I wonder what I should learn in the future. —You may learn art since you painting and drawing.
The little chick ______ the earthworm, deciding whether to swallow it or let it go.
—What do you think of the building built to the shape of nature? —______.
The road is covered with snow. I can’t understand ______ they insist on going by motorbike.