--- Listen! David is talking happily with his mother in the next room. --- It ______ be his mother. She has gone to Yunnan to be a volunteer doctor.
He has read many books on history, so it’s _________ for him to answer these questions.
I feel very angry when hearing that Japanese government tries to _________ Diaoyu Island.
---Would you like some ________? ---Yes, please. Fruit is good for health.
Among the four underlined letters, which one has the different pronunciation from the other three?A. boss B. police D. cotton D. nod
---Did you have ________ nice holiday?---Yes, it was _______ best holiday I’ve ever had.