1．Mothers’Day is coming．What will you do for your mother?
A．You are welcome B．I don’t mind
C．I'm thinking about that D．That’s a good idea
2．I left my purse at home．SO this one isn’t ．
A．hers B．his C．yours D．mine
3．he is just a kid，he knows a lot about the world．
A．If B．Unless C．Though D．Whether
4．The leather material is______ plastic．
A．as strong as B．stronger than C．as weak as D．weaker than