5. 强调not...until结构中由until引导的短语(或从句)表示时间状语的句型是:It is(was) not until...+that...+其他部分。 e.g. (1)He didn’t marry until forty. It was not until forty that he married. (2)Mr. Yang did not leave the lab until he got everything...
It was not until she took off her dark glasses that I realized she was a famous film star. = Not until she took off her dark glasses did I realize she was a famous film star. = I didn't realize she was a famous film star until she took off her dark...
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