英语的有关问题,最好可以解释（在这里大显身手吧……）

英语的有关问题,最好可以解释（在这里大显身手吧……）
1.the students should try to do( )
A.something new B.something creative C.something create D.some new thing
(请选择正确答案,并解释为什么A是错误的）最好解释
2.he has to (practice)playing it again and again
（为什么practise不行呢,在to的后面应该接的是动词,但是这里却是名词形式?
3.( )fine day it is today!
A.how B.what C.how a D.what a
4.he( )in three days
A.coming back B.came back C.will come back D.is going to coming back
5.shall I buy a cup of tea for you ----( )
A.No,thinks B.No,you aren't C.no,please don't
6.Quincy is ( )the east coast of America
A.in B.on c.at
7.( )that famous person born in your hometown
A.Is B.Are C.Was
8.he reads ( )Chinese books and knows( )about China
A,a lot,a lot of B.a lot of,a lot C.lots of,a lot of
9.Mr,Johnson asked me to remind you of the meeting this afternoon.Don't forget it-----OK,I( )
A.won't B.don't C.will D.do
10.in the future,there isn't going to ( )enough space to stand in on the earth .
A.have B.be C.is D.was
11.Believe yourself.You're better than( ).You're tthe best.
A.anyone else B.someone else C.else anyone
12.you look sad,Kate,--------Yeah,I have made( )in my English test
A.a little mistake B.a few mistakes C.some mistake
13.( )its meaning when you meet a new word.
A.Try to guess B.Try guess C.Try to guessing