21.Some people think __________ more about their rights than about their responsibilities.

　　A.much B.too C.less D.very

　　22.There are ______ as many houses in this area as there used to be.

　　A.two B.twice C.second D.secondly

　　23.Columbus and his crew _______ from Europe in 1492.

　　A.set out B.put out C.ruled out D.sorted out

　　24.______the kids have left home, we’re got a lot of extra space.

　　A.Since that B.Now C.Even if D.Even so

　　25.We’ve asked the neighbors to _________ the house for us while we are away.

　　A.have an eye to B.keep an eye on

　　C.have an eye for D.keep an eye open

　　26.The hotel is going to be ________ into a nursing home.

　　A.controlled B.confirmed C.consumed D.converted

　　27.The young man ________ in this company since he graduated from Madison College five years ago.

　　A.was working B.has been working C.works D.worked

　　28.The college offers so many courses; the students haven’t decided ______

　　A.where to choose B.whom to choose C.which to choose D.why to choose

　　29.He said he’d phone you ______ he got home.

　　A.for a while B.after a while C.at moment D.the moment

　　30.With a good ______ of both Chinese and English, Miss Lin was assigned to be the tour guide for the American visitors.

　　A.command B.interest C.result D.impression