67.　　 67.　　 ______ has recently been done to improve the conditions of elementary schools a great number of children are unable to go to school.

a. That　　 b. What　　 c. In spite of what　　 d. Though what

66.　　 66.　　 I am pleased with what you have told me and ______ you have given me.

a. all what　　 b. all that　　 c. which　　 d. all whatever

65.　　 65.　　 A joint is ______ permits the forward and backward movement of a door.

a. that　　 b. whose　　 c. those　　 d. what

64.　　 64.　　 Hardly had the speaker begun to talk ______ were laughs.

a. when there　　 b. than there　　 c. than　　 d. that

63.　　 63.　　 I punish the child ______ he should make the same mistake again.

a. as　　 be because　　 c. lest　　 d. unless

62.　　 62.　　 ______ him as a writer I don’t like him as a man.

a. Much I admire　　 b. Much as I admire　　 c. As much I admire　　 d. As I admire much

61.　　 61.　　 Not long after Galileo’s time, Newton invented another kind of telescope ______ mirrors instead of lenses.

a. which used　　 b. in which he used　 　c. that he used　　 d. in that he used

60.　　 60.　　 ______ he was caught cheating on the exam, Oliver had been considered to be an honest boy.

a. When　　 b. After　　 c. Although　　 d. Before

59.　　 59.　　 ______ human beings depend to a great extent on forests, every effort must be made to preserve trees and wildlife.

a. If　　 b. Unless　　 c. Until　　 d. Since

58.　　 58.　　 I won’t lend any money to Joe because I am afraid ______ he will forget to pay it back.

a. if　　 b. whether　　 c. that　　 d. of