A series of debates between the major candidates ____ scheduled last week.
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A series of debates between the major candidates ____ scheduled last week. |
[ ] |
A. is B. are C. was D. were |
答案
C |
举一反三
— How does Alma like her new job? — She _____ with the hours. |
[ ] |
A. can"t satisfy B. isn"t satisfied C. doesn"t satisfy D. hasn"t satisfied |
The speakers at the meeting agreed that the ways in which television can educate a person ____ almost infinite. ( 无限的) |
[ ] |
A. be B. are C. is D. was |
So quickly ______ that what is a possibility today may be a reality tomorrow. |
[ ] |
A. is science advancing B. science is advancing C. will science advance D. science will advance |
What caused the accident and who was responsible for it ________ a mystery. |
[ ] |
A. has remained B. are remained C. remains D. remain |
Almost all tornadoes ______ in the US, in the area from Texas in the southeast to South Dakata in the north. |
[ ] |
A. are occurred B. occur C. occurred D. are occurring |
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