He comes to see us ____ the morning ___ October 31st every year.
Teachers warn us ____ talk in class.A. not B. not to C. don’t
--- What’s the most popular novels _____ young people?--- Harry PotterA. to B. in C. with
Do you get used to _____ early?A. get up B. getting up C. gets up
Japan lies _____ the east of china.A. in B. to C. on
We’ll decide on the best way _____ our field trip.A. to go on B. goes on C. going on