语法与词汇
It was not until he arrived in class _________realized he had forgotten his book.无
A、
when he
B、
but he
C、
that he
D、
and he
【正确答案】
C
【答案解析】
句意： 直到进了教室他才发现忘带书了。 not. . . until. . .直到……才……。 it is. . . that. . . 强调句型。
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