Welcome to the Science Museum, everyone! This stone axe _____ in South Africa an
题型：江苏模拟题难度：来源：
| Welcome to the Science Museum, everyone! This stone axe _____ in South Africa and experts can"t be exactly sure about its use. |
A. had been found
B. was found
C. has been found
D. would be found |
答案
举一反三
| After the argument, he spoke with the department manager and the problem _____. |
A. solving
B. had been solved
C. was solved
D. solved |
| People begin to know that most environmental problems exist because necessary measures for preventing them _____ taken in the past. |
A. are not
B. were not
C. hadn"t been
D. wouldn"t be |
| A board _____ against the wall on which these words _____, "Danger, keep off." |
A. set up; are written
B. put up; wrote
C. was set up; wrote
D. was put up; were written |
| You"ve failed to do what you _____ to and I"m afraid the teacher will blame you. |
A. will expect
B. will be expected
C. expected
D. were expected |
| After getting lost in a storm, a member of the navy team _____ four days later. |
A. rescued
B. was rescued
C. has rescued
D. had been rescued |
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