单项选择题
-- There isn't any bread left.--Oh, () I'll buy some in the supermarket. I'm going there in a few minutes.
A.is there B.isn't it C.isn't there D.is it
单项选择题 More and more people realize we won't have clean water to drink unless something () soon.
单项选择题 Many a girl () dancing and singing at the center of the stadium.
