Mr. Smith is 【collaborating】 with Johnson in writ
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Mr. Smith is 【collaborating】 with Johnson in writing an play.
A.cooperating
B.arguing
C.competing
D.combining
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答案：A
本题考查的是对动词的现在分词的认知能力。本句意思：史密斯先生正与约翰逊合著一部戏剧。collaborating是collaborate的现在分词，意为合作。A.cooperating合作，例如：Workers’ leaders have expressed their willingness to cooperate．工人领袖们表达了合作的意愿；B.arguing争论；C.competing竞争；D.combining结合。collaborate与cooperate意思最接近，所以选A。