问题补充:
---HasTomfinishedhishomework?---Idon’tknow.Buthe_________itthewholemorning.A.didB.doesC.was doingD.is doing
答案:
C解析此题重点考查过去进行时的基本用法。
时间:2023-03-20 02:52:39
---HasTomfinishedhishomework?---Idon’tknow.Buthe_________itthewholemorning.A.didB.doesC.was doingD.is doing
C解析此题重点考查过去进行时的基本用法。