题目内容：

there..no classes yesterday,we paid a visit to the great wall
A.was B.being C.were D.had been

优质解答

B.being
本来是两句:
there were no classes yesterday,and we paid a visit to the great wall.
现在把这个并列句,改成一句简单句.
前面要用分词结构.因为一句话,只有一个谓语.
前面就成了:there.being .no classes yesterday,