This chapter is so difficult to ______ that I shall have to read it again later.
70. We can’t get rid of war until we get rid of the causes of war. Which of the following words has similar meaning of the underlined word? _____
71. Look! There are _____ grazing over there.
72. Which of the following groups doesn’t belong to the same category?
73. All remarks should be addressed to the .
74. It’s an untamed monkey. Keep it on a or it may attack others.