21. --- Please give me that book.
--- ________
--- To have a look at it.
A. Here you are. B. What for? C. Really D. What if
22. Now it is easy for us to get _____ information we need from ______ Internet.
A. the, the B. /, the C. /, / D. the, /
23. She feels ______ because the other children don't play with her.
A. got out B. left out C. stood out D. gave out