—How terrible the pollution is here! — Yes. It is harmful ________ both humans and animals. A. for B. to C. with
――What did the Geography teacher ask you?――The question is, “ Do you know _______?”.
_______ your mind and study hard, and you will be sure ________English well.
Our parents talked about the people and the things _______ they could remember in their middle school last night.
――Dady,when can I join the Basketball Club?――You can when you _______ up.
――How many children are there in your family ?――So many there used to be, but now I am_______ an only child.