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【題目】— Peter, this is Laura, a student from No. 2 Middle School.

【題目】Scientists think calculating is a necessary skill_________ they base their researches.

【題目】 Good news never goes beyond the gate, ______ bad news spreads far and wide.

【題目】Readers are required to _________ the rules of the library and mind their manners.

【題目】Sherry has taught me that no matter how bad things seem they can ______ in the end.

【題目】We still have a long way to go to solve all the problems ____________the Yangtze River.

【題目】I________him to give up playing computer games, but he didn't listen.

【題目】As the town ______ good restaurants, we just treated the foreign friends to some local food at home yesterday.

【題目】Among the biggest problems facing those remote mountainous villages __________the lack of experienced teachers.

【題目】—Why not go to Lahsa for a visit during the October 1st vacation?