要把某样东西给别人,通常应该说_________A.Here you are. B.May I have a look?
How many _______ are there in your class? A. students B. student C. student’s
--Where’s the library? --It’s____ the first floor. A. inB. on C. at
Let ____ help you. A. my B. I C. me
There are 4 _______ in our classroom. A. wall B. the wall C. walls
Where’s the ______ office? A. teacher B. teacher’s C. teachers’