---I have looked for my keys everywhere, but I can’t find them.
---Sorry to hear that. You _____ them somewhere.
A. must lose B. should lose
C. must have lost D. should have lost
---What makes him so excited these days?
---________ a key university.
A. Admitted into
B. Admitting to
C. Having been admitted into
D. Being admitted to
---You didn’t lock the back door.
---You are wrong. I ______.
A. have locked it B. lock it myself
C. did lock it D. do lock it
If you don’t know what you want, you might _______ getting something you don't want.
A. end up B. pick up
C. turn up D. give up
I have ______ many different friends ______ it is hard to choose just one best friend.
A. so; as B. so; that
C. such; as D. such; that
I would really appreciate ______ if you can make time in your schedules to attend my lecture today.
A. that B. it C. this D. one