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My phone call to the electrician ___ as I subsequently discovered m;y wife had phoned.

A. needn’t be made
B. shouldn’t be made
C. needn’t have been made
D. didn’t have to be

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Alaska found the first years of its statehood costly because it had to take over the expense of services___ previously by the federal government.

A. to provide
B. be provided
C. providing
D. provided

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The man looked back from time to time, as if ___ who was following him.

A. seeing
B. to see
C. saw
D. to be seeing

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The geocentric idea was abandoned in the 17th century, partly as a result of the writings of Copernicus___ observations made by other astronomers.

A. and also were
B. not only because of
C. also because of
D. and also because of

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Playing a major role in the economic life of the US, ___ .

A. women currently make up 46 percent of the work force
B. the women currently make up 46 percent of the work force
C. women currently they 46 percent of the work force
D. 46 percent of the work force is currently made up of women

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My phone call to the electrician ___ as I subsequently discovered m;y wife had phoned.

A. needn’t be made B. shouldn’t be made C. needn’t have been made D. didn’t have to be

Alaska found the first years of its statehood costly because it had to take over the expense of services___ previously by the federal government.

The man looked back from time to time, as if ___ who was following him.

The geocentric idea was abandoned in the 17th century, partly as a result of the writings of Copernicus___ observations made by other astronomers.

Playing a major role in the economic life of the US, ___ .

A. needn’t be made
B. shouldn’t be made
C. needn’t have been made
D. didn’t have to be