What do the neighbors think of Li Lei?They say he is ______ lucky boy.A. a B. an C. the
—I was asked to attend the meeting before eight.—Oh, you________. I'm sorry for not telling you that we have changed the plan.
What ___ you____ at ten yesterday evening?
—____ the workers are very tired, _____they keep on working. — They are great. We must learn from them.
— What's on? — The lady there ___________ me of my English teacher. Her smile is so sweet.
It’s difficult to live in a foreign country, ______ if you can’t understand the language there.