三. 完形填空(20分，每小题2分)
Every year people in many countries___42___English. Some of them learn at school. __43___study by___44___ . But it is too hard__45___learn another language well. People must work very hard.
Why do all these people__46____to learn English? It’s difficult to__47____that question. Many boys and girls learn English at school or at college.___48___it is one of their ___49___.They study their own language ,math and physic…and English. Many adults learn English, because it is___50___in their work. They want to read newspaper, books and some others in English to get more knowledge. And that is why___51___people in the world will learn English.。
(    )42.  A. study       B. know       C. understand    D. speak
(    )43.  A. Others      B. other       C. The other    D. The others
(    )44.  A. they       B. their         C. them        D. themselves
(    )45.  A. that       B. as           C. for          D. to
(    )46  A. have        B. wish         C. need        D. want
(    )47.  A. think       B. answer       C. ask         D. talk
(    )48.  A. because     B. so           C. when        D. why
(    )49.  A. subject     B. the subject    C. subjects    D.a subject
(    )50.  A. interesting   B. difficult      C. easy        D. useful
(    )51.  A. more and more    B. many  more     C. fewer and fewer   D. most.