66. Most of our earth____ covered by water.
A. are B. is C. was D. were
67. Sunday ____ the first day of the week.
A. is B. are C. am D. be
68. Neither___right.
A. answers are B. answers aren’t C. answer is D. answer isn’t
69. The population of the world ____ still ____ now.
A. has; grown B. will; grow C. is; growing D. is grown
70. There ____ many people running in the park every morning.
A. is B. were C. are D. have
66-70 BACCC
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