The number of the students in our schoolvery large and therea number of teachers.
A. is, are
B. are, is
C. is, is
D. are, are
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Someonethe school gate now.
A. are waiting for
B. is waiting for
C. is waiting at
D. are waiting at
Mary is a kind girl. She often _______ her classmates with their homework.
A. help
B. helps
C. is helping
D. helped
我国率先控制住疫情,率先复工复产,率先实现经济正增长。2020年全年经济增长()。
A. 3%
B. 2.3%
C. 3.3%
D. 3.2%
“十四五”规划中提出,()投入占研发经费投入比重提高到8%以上。
A. 基础研究经费
B. 创新研究经费
C. 科技研究经费
D. 农业研究经费