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

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

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

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

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

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

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