They seemed ______ each other for a long time.A.knowingB.to knowC.having knownD.

They seemed ______ each other for a long time.A.knowingB.to knowC.having knownD.

题型:不详难度:来源:
They seemed ______ each other for a long time.
A.knowingB.to knowC.having knownD.to have known

答案
D
解析
考查非谓语动词。句意:他们好像彼此认识好久了。不定式的完成时态表示的是这个动作发生在谓语动作之前。故选D。
举一反三
To meet the need of the London Olympic Games        in 2012, many new stadiums are reported to________ in Britain.
A.held;be constructedB.to be held;have constructed
C.to be held;be being constructedD.to be held;be constructing

题型:不详难度:| 查看答案
______ customers, the Hong Kong company said the amount of the chemical in the shampoo products wouldn’t harm people’s health.
A.CalmingB.Having calmedC.To calmD.Calmed

题型:不详难度:| 查看答案
South Korea is a world leader in the telecommunications industry and Sumsung is already a name _________ throughout the world.  
A.recognizedB.recognizingC.to be recognizedD.having recognized

题型:不详难度:| 查看答案
Considering his poor health condition, the doctor insisted on his_____ a good rest before going back to work.
A.being takenB.having takenC.his takenD.his taking

题型:不详难度:| 查看答案
______ with high demand and serious shortage of preschools, the local government is undertaking a major expansion.
A.FacedB.Being facedC.FacingD.Having faced

题型:不详难度:| 查看答案
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