1.20. I don't think she is ______ the honor given to her.
A.worthy to
B.worthy for
C.worthy of
D.worthy with
答案C
2.80. I doubt whether he can _______ his efforts much longer as he looks very tired.
A.hold up
B.hold on
C.keep on
D.keep up
答案D
3.93. The millions of calculations involved, had they been done by hand, __________ all practical value by the time they were finished.
A.had lost
B.would lose
C.would have lost
D.should have lost
答案C
4.30. We are going to Florida as soon as ______ taking
