The printing factory we are going to visit tomorrow ________ in the eighteenth century.

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Hi, Peter, I haven’t seen you for weeks. What ________ lately ?

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Works which were carved on stones centuries ago are difficult ________ .

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By the end of last month, we ________ about two thousand English words.

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A．have learned

B．have been learning

C．had learned

D．learned

Ms King ________ in order to get a job as n engineer.

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The programme ________ by villages.

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A．operates

B．is operated

They got up early ___________they could get there on time.

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Nancy hasn't begun working on her Ph.D.___________ working on her master's.

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In Australia, he made a lot of friends ___________English well to make himself ___________.

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Trees on the hills can stop rains from ___________away the soil.

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