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【題目】Yesterday, the heavy rain r our picnic.

【題目】We look towards strengthening cooperation with universities all over the world ________ scientific research.

【題目】Some netizens use “beat a call” as an ________ to “cheering for” to show their approval or support for others.

【題目】There are few s in weather between Harbin and SanYa.

【題目】The bookstore was famous for its wide r of books.

【題目】Though they are paid not much, teachers have never c about working all the days.

【題目】Walter’s work ________ efficiently, the boss decided to promote him to senior manager.