单项选择题
People at the party worried about him, because no one was aware（）he had gone
A.of where B.of the place where C.where D.the place
单项选择题 Paul, this is my friend, Ann.（）
单项选择题 Our manager will look into the matter as soon as possible. Just have a little（）
单项选择题 Our house is about a mile away from the railway station and there are not many houses（）
