问题
选择题
Newton was sitting under an apple tree ______ an apple fell onto his head.
A.when
B.while
C.after
D.before
答案
答案:A
本题考查连词辨析。此处when作并列连词,表示“就在此刻(and justthen)”“,突然(and suddenly)”。
Newton was sitting under an apple tree ______ an apple fell onto his head.
A.when
B.while
C.after
D.before
答案:A
本题考查连词辨析。此处when作并列连词,表示“就在此刻(and justthen)”“,突然(and suddenly)”。