On my way to the bookstore， I saw Mary hanging out with her friends．
It be her． She has gone to Beijing．（ ）
A．can'tB．mustn'tC．mightD．could
Tom， it smells so terrible here．
Sorry， mum． I will my socks and wash them right away．（ ）
A．put offB．take offC．turn offD．cut off
Will you go to Lisa's housewarming party next Sunday？
Well， if I ， I will go on time．（ ）
A．inviteB．will invite
C．am invitedD．will be invited
I think I am the shyest in my class． What should I do？
Be more active in class _______ you can improve your ability to express yourself．（ ）
A．so thatB．unlessC．orD．although
Mum， must I be a teacher like you when I grow up？
No， you needn't． You can make your own ．（ ）
A．differenceB．discussionC．discoveryD．decision