Georgeoughttohavearrived______thistime.
单项选择题 【2018年真题】George ought to have arrived______this time.
A.during
B.on
C.in
D.by
正确答案:D
答案解析:本题考查介词辨析。句意:乔治这时应该已经到了。 during在…期间;on在…上,不与 this time连用;in在里,亦不与 this time连用;by与 this time连用时意为“此时,这时”。根据句意,本题选D。
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