76. The old gentleman never fails to help _______ is in need of his help.
A. whom B. who
C. whoever D. whomever
77. History is the story of ______ happened to the people before today.
A. whichever B. whomever
C. whatever D. whenever
78. _______ I admit that there are problems, I don’t agree that they cannot be solved.
A. When B. As
C. While D. Since
79. It is very important for the strongman to know that ______ strong he is, he cannot be the strongest.
A. whatever B. whenever
C. whichever D. however
80. The fact ______ he does so in so short period of time challenges explanation.
A. why B. that
C. what D. which
答案:76-80 CCCDB
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