几道高中英语题.要详细的讲解
1.Thebuscamesfterthey_____forabouthalfanhour
AhadbeenwaitedBwaswaitingChavewaitedDhadbeenwaiting
2.I__thenovelforallthemorning,yetihaven'tfinishedit.
A.havebeenreadingB.amreadingC.wasreadingD.hadbeenreading
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