1. It _________ we had stayed together for a couple of weeks _________ I found we had a lot in common.

　　A. was until; when B. was until; that

　　C. wasnt until; when D. wasnt until; that

　　【解析】答案选D。此题考查notuntil句式的强调形式。又如：It was not until she took off her dark glasses that I realized she was a famous film star. 直到她取下墨镜，我才意识到她是一位著名影星。

　　2. It was not until she got home _________ Jennifer realized she had lost her keys.

　　A. when B. that C. where D. before

　　【解析】答案选B。考查notuntil句式的强调形式。又如：It was not until I met you that I knew real happiness. 直到我遇到你以后，我才真正体会到幸福。

　　四、考查强调句与非强调句的辨别

　　1. It will soon be five years _________ we came to live in Cairo.

　　A. that B. when C. since D. as

　　【解析】答案选C。此题不是考查强调句型，而是考查since的用法，句意为我们来到开罗居住快五年了。又如：It is two years since he left the country. 他离开这个国家已经两年了。/ Its quite some time since we wrote to each other. 我们互相通信已有不少时间了。

　　2. Was it here _________ you were away talking to a friend? Sure. But when I got back there, it was gone.

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