（ ）1.______ nature reserves _______ us learn more about protecting animals.
A. Studying , helps B Studies , to help C. Study , helping D Studying, help
（ ）2. ---What did Mr Zhou say? ---He invited me _______ the party and told me _______ late.
A. for, to be B. for, not to C. to, not to be D. to, to not be
（ ）3. You’d better _________ the wild animals.
A. not to hurt B. not hurt C. not hurting D. don’t [来自e网通客户端]