Question

Mr White _______his racing bicycle by himself yesterday, but I’m not sure  whether it is ready

A．repaired	B．had repaired
C．was repairing	D．would repair

Answer 1

C

試題分析：考查時(shí)態(tài)：句意：懷特先生昨天自己修自行車，但是我不確定現(xiàn)在是不是修好了。因?yàn)闀r(shí)間是yesterday，排除BD項(xiàng)，又因?yàn)閎ut I’m not sure  whether it is ready這句話，排除A。因?yàn)橐话氵^(guò)去時(shí)，表示動(dòng)作已經(jīng)結(jié)束了，就不會(huì)說(shuō)不知道有沒有準(zhǔn)備好，用過(guò)去進(jìn)行時(shí)表示過(guò)去正在做的動(dòng)作。選C。