---I’m not sure_____ Mr. Wang goes to see his parents ---Twice a week.A. how long B. how often C. how soon
Their stay in the park was a ___________.
What _________ does he sometime get?
There has been great ___________ in his English this year.
People are using laughter to improve their ____________.
— Could you give me some ________? — Why not join the English corner and do more practice?