单项选择题
Is there a drugstore near here?（）
A.It‘s very small. B.It‘s very crowded. C.It‘s a cheap one. D.Yes, there is a big one.
单项选择题 Oh, the box is too heavy（）
单项选择题 Ed said that his boy fell off a tree.（）
单项选择题 Jack, are you leaving now? It's 7:20.（）
