单项选择题
Mr. Edward was not in, so his brother acted as （）at the party.
A.actor B.guest C.host D.dancer
单项选择题 （）students often find it difficult to live in China at first.
单项选择题 He never（）to read the news but turned at once to the crossword puzzle on the last page.
单项选择题 Since we can't hear you at the back of the hall, you'll have to（）your voice.
