1.those old photos____me____ my days in university A.let,dow

1.those old photos____me____ my days in university A.let,down B.think,of C.wake,upD.remind,of
2.do you know the boy______handed out advertisements for old bikes
A.which B.who C./ D.whom
3.the students have done lot to cheer______their sick classroom
A.for B.up C.in D.of
4.i saw Carmen go to granpa li’home just now.
- yes.she is otten seen_____the old man
A.help B.to help C.helping D.helped
5.why did not you go to the movie yesterday
-because i ______ it before
A.have seen B.have watched C.had seen D.had watched