精英家教网 > 高中英语 > 题目详情
--- Hi, Grandma, why do you look so tired?
--- I’m tired. I _______ the cleaning all morning.
A.didB.had doneC.have been doingD.have done
练习册系列答案
相关习题

科目:高中英语 来源:不详 题型:单选题

  
30.When you finish your work, don’t forget to put the tools back where they ________.
A.areB.will beC.wereD.had been

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

In England tea_____with milk or sugar in it.
A.usually drinksB.is usually drunk
C.usually is drunkD.drank usually

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The first use of atomic weapons was in 1945. and their power _____ increased enormously ever since.
A.isB.wasC.has beenD.had been

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


25.—Did you get my letter?
—I received one just as I____.
A.set outB.had set outC.was setting outD.would set out

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


27.To shut your eyes to facts.as many of you do,_______foolish.
A.isB.areC.areD.Were

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

The novels written by the author sell best, but five years ago no one could have imagined how great a role he     in the literary world.
A.was playingB.playedC.was to playD.had played

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题

— Have you seen my email about our TESL project?
— Yes. Luckily, I checked my emails yesterday. Normally, I _____ my email-box for days.
A.haven’t openedB.didn’t openC.hadn’t openedD.don’t open

查看答案和解析>>

科目:高中英语 来源:不详 题型:单选题


24.The first time I met David in the Central Park, both of us felt that we_____each other for ages.
A.knewB.have knownC.had knownD.Know

查看答案和解析>>

同步练习册答案