21. However much , it will be worth it.

　　A. does the watch cost B.costs the watch

　　C. The watch will cost D.the watch costs

　　22. We should do as much as we can our country better and more beautiful.

　　A. make B.to make C.makes D.making

　　23. He would have paid for the house if the salesgirl had insisted because he really wanted it.

　　A. twice as much B. much as twice

　　C. as much twice D. twice much as

　　24. from the moon,our earth,with water seventy percent of its surface, appears as a "blue ball"

　　A. Seen, covering B. Seen, covered

　　C. Seeing; covering D. Seeing; covered

　　25. It takes courage for one the huge task, to say nothing of fulfilling it in such a short time.

　　A. to be faced up to B. facing up to

　　C. faces up to D. to face up to

　　26. The young man lost his job last month, but it wasn't long he found a new position in this company.

　　A. after B.while C.as D.before

　　27. Color-blind people find it difficult to between red and green.

　　A. separate B. compass C. distinguish D. Contrast

　　28. There are three colors in the British flag, red, white and blue.

　　A. rarely B.namely C.really D.actually

　　29. To obtain a visa to that country for the first time, you need to apply .

　　A. in part B. in person C. in turn D. in time

　　30. Do you think he spilled the soup purpose so that he wouldn't have to eat it?

　　A.for B.with C.by D.on

　　31. The pilot tried many times to lift the plane but .

　　A. in consequence B.in vain C.in effect D.in order

　　32. Keep you indoors and don't your skin to the sun in summer.

　　A.explode B.express C.expose D.expand

　　33. in mind as well as in body, the child needs more than medical care.

　　A. Sick B. Be sick C. Because sick D. For sick

　　34. in hospital, the patient kept in touch with the outside world by watching news programs on TV every day.

　　A. Lying B. Laying C. Lain D. Being laid

　　35. Angela told me a while ago that she couldn't wear her sweatshirt because it doesn't go with anything else she has.

　　A. green comfortable dark B. dark green comfortable

　　C. comfortable dark green D. dark comfortable green

　　36. No one here believes the reason he gave for his lateness.

　　A. that B. why C. for which D. what

　　37. Although he had told them not to keep us waiting, they made no to speed up deliveries.

　　A. attention B. attempt C. action D. progress

　　38. Hopes, goals and fears widely between men and women, the rich and the poor, the young and the old.

　　A. alter B. shift C. vary D. transfer

　　39. The factory had to a number of employees because of the economic decline in the country.

　　A. lay out B. lay off C. lay aside D. lay down

　　40. A good teacher is able to a complicated idea in very simple terms.

　　A. Work out B. Make up C. put across D.bring about