The exchange students from England in China in a week.
A. arrive
B. have arrived
C. are arriving
D. will arrive
网友回答
A. arrive
B. have arrived
(答案→)C. are arriving
D. will arrive
解析：句中有in a week下周，明确的时间状语。in +一段时间用于一般将来时，after+一段时间用于一般过去时，after+点时间用于一般将来时。句意：来自英国的交换生将在下周到底中国。而arrive,go,leave,take off等表空间趋向性关系的动词，常用现在进行时表将来，故选C.