The queen will visit the town in May, she will open the new hospital. A. when B.
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The queen will visit the town in May, _________she will open the new hospital.
A. when B. then C. while D. but
试题答案
A
本题为连词用法的考查，句子无承接和转折的意思，故排除B、D，而while更强调两个动作同时发生，所以也不符合题意。