My mother can do a lot of things us . A. in B. at C. for
It's hot summer.A. in B.at C.on
This girl to school on foot every day.A. go B.goes C.went
Excuse me, how can I the History Museum?A. get to B.gets to C.to get
Where your friends?-They are at school.A. is B.are C.am
当你想知道这些物品是谁的时,问: A. Whose are these?B.Whose are those?C.Who are they?