Ever since Picasso’s paintings were on exhibition, there ______ large crowds at the museum very day.

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问题 Ever since Picasso’s paintings were on exhibition, there ______ large crowds at the museum very day.

选项 A、is
B、have been
C、has been
D、are being

答案B

解析 在there be…(表示“存在有……”)结构中,be动词的性数应与它后面的真正主语取得一致。本题主句中的真正主语为large crowds,据此,可排除A和C。根据ever since引导的从句可判断主句应为完成时,因此排除D,得出B为正确选择。
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