What did you think of the concert given by the famous Hong Kong singer?— Not so good.In fact, it ______ to be a great disappointment. [ ]

Every year, the coal workers their lungs X-rayed to ensure their health

She ______to them about her age in order to get the job.

New York is a wonderful place to live .-But many people tobuy a house to live in.

So difficult _____ it to adjust to an English-speaking environment that he determined to learn English hard