英语单选求解释The first settilers of the island are considered by many scholars -------from east africa about 2000 years ago A.having come B.to come C.coming D to have come

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英语单选求解释The first settilers of the island are considered by many scholars -------from east africa about 2000 years ago A.having come B.to come C.coming D to have come
英语单选求解释
The first settilers of the island are considered by many scholars -------from east africa about 2000 years ago A.having come B.to come C.coming D to have come

英语单选求解释The first settilers of the island are considered by many scholars -------from east africa about 2000 years ago A.having come B.to come C.coming D to have come
选B
首先前面无be动词,动词不需要变成现在分词形式,A、C排除
D本身错误,所以选B
句子翻译:第一个settilers岛被许多学者认为是
从东非大约2000年前

D。把by many scholoars 去掉,be considered to do,由于是过去时,用have come

选过去的呗…