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【題目】Unluckily, not everyone has realized the important role the balance of nature _______ in their daily life.

【題目】I’m not making near as much money as I did when I was employed full time，but now we don’t need as much either.

【題目】________ more time, we are sure to finish the task in time.

【題目】The approach _________ the problem is contrary ________ our expectations.

【題目】

【題目】—I’d like to have one more look round.By myself this time.

【題目】New ideas sometimes have to wait for years before ______.

【題目】She asked me ________ I had returned the books to the library, and I admitted that I hadn’t.

【題目】He said he had _______ all the books on the floor. In fact, he was _______.

【題目】 The footprints on the floor __________ that someone had broken into their house while they were out.