78.The ground around here is mostlyand not very good for farming.

47.Now that she is out of a job, Lucy（）going back to school, but she hasn’t decided yet.

46.Recently I bought a jade bracelet,（ ）was very reasonable.

45.A solid is different from a liquid（）the solid has definite shape.

44.—— What will you buy for your mother’s birthday?—— I want to buy a（）wallet for him.

43.He is very（ ）to call me tonight. I can sense that.

42.You should take the medicine now. It will（ ）you pain in your stomach.

41.It is certain that he will（ ）his business to his only daughter when he gets old.

40.The（ ）production of engines in our factory has doubled this year.

39.While studying at U.C.L.A.,Mr.Wang（ ）his old friend, whom he has not seen for nearly twenty years.

38.There is too much noise outside. I can not（ ）my attention on my work.