11.Thenumber of the pages in the book ____ four hundred， but a number of pages ____ broken.

　　A.is， are B.is， is C.are， is D.are， are

　　12.More than two thirds of the students in our class ______ fond of music and about 20 percent of their time ___ spent in listening to it.

　　A.are， are B.is， is C.are， is D.is， are

　　13.Another two hours ____ passed and there ____ still five more miles to go.

　　A.have， is B.has， is C.have， are D.has， are

　　14.When the police ____ searching a robber， a group of young men ____ asked to help them.

　　A.were， were B.was， was C.was， were D.were， was

　　15.The population of the earth ___ increasing very fast and about two fifths of the population ____ little education.

　　A.are， get B.is， get C.is， gets D.are， gets

　　16.The news that the goods ___ all stolen ____ very frightful.

　　A.were， was B.was， were C.was， was D.were， were

　　17.Every means ____ been tried.They each ___ somewhat discouraged.

　　A.have， is B.have， are C.has， are D.has， is

　　18.Tom's trousers ____ fine.____ made in UK.

　　A.are， they are B.is， It is C.are， It is D.is， They are

　　19.Cothing ____ as necessary to the people as food.Clothes ___ people warm.

　　A.are， keep B.are， keeps C.is， keeps D.is， keep

　　20.To talk with your parents ____ a great pleasure.What they say ___ very interesting.

　　A.are， are B.is， is C.are， is D.is， are

　　21.What we badly need ________.

　　A.is an engineer B.are engineers C.is engineers D.both A and B

　　22.Some of the energy that ____ used by man nowadays ____ from the atom.

　　A.are， come B.is， come C.is， comes D.are comes

　　23.Which ___ your tie and which ___ your clothes?

　　A.is， is B.are， are C.is， are D.are， is

　　24.On the bed ___ found a hat， a few clothes and some shoes and socks， and on the floor there ___ a pen， two pencils and some books.

　　A.was， was B.was， had C.were， was D.were， were

　　25.He， not I， ____ to be praised.

　　A.am B.is C.are D.both A and B

　　26.It's Tom not his parents that __________ hunting.

　　A.enjoys B.live C.like D.are fond of

　　27.The good ____ always beautiful， and the beautiful ____ not always good.

　　A.are， is B.is， are C.is， is D.are， are

　　28.Ten of us will go to the park.The rest ___ to stay at school.

　　A.is B.are C.has decided D.is going to