1._____wasteful to throw away glass.
A.It B.That C.This D.It's
2.I work hard so that I will get good ______.
A.notes B.checks C.grades D.answers
3.My father _____ magazines in the sitting room every morning.
A.looks after B.looks through C.looks out D.looks at
4.Confucius is known _____ a great thinker.
A.for B.as C.to D./
5.Liu Xiang is not _____ overnight success as _____ sporting hero.
A.an;a B.a;an C.a;a D.an;an
6.Which invention do you like _____,digital camera,mobile phone or computer?
A.good B.well C.better D.best