---_____tail is that? ---It’s the tiger’s.
A. Who’sB. WhichC. Whose
---Sorry, what are you ___________?
---I’m speaking Chinese.
A. sayB. sayingC. says
Look _______ my summer vocation plan.
A. atB. inC. on
---When is Mother’s Day?
---It’s ________ the second Sunday in May.
A. inB. toC. on
I want ________ practise my song.
A. inB. to C. on