The lady was so absorbed in her job that she didn"t hear a customer ________ at

The lady was so absorbed in her job that she didn"t hear a customer ________ at

题型:不详难度:来源:
The lady was so absorbed in her job that she didn"t hear a customer ________ at the door.
A.to knockB.knocking
C.be knockedD.knocked

答案
B
解析
答案:B 考查非谓语动词。句意:这位女士如此专注于她的工作以至于她没有听到有位顾客正在敲门。hear sb. doing sth.听到某人正在做某事。
举一反三
A hearty laugh relieves physical tension, ________ your muscles relaxed for over half an hour.
A.to leaveB.left
C.leavingD.leave

题型:不详难度:| 查看答案
Life is a journey ________ with hardships, joys and special moments.
A.filledB.to fill
C.fillingD.having filled

题型:不详难度:| 查看答案
—Where are the papers for the Smith project?
—They are in the folder ________ “S”.
A.markingB.marked
C.to be markedD.to mark

题型:不详难度:| 查看答案
I"m just getting out of the city for a few days ________ some space and clear my head.
A.gottenB.getting
C.to getD.having gotten

题型:不详难度:| 查看答案
With the audience ________ at her, the little girl felt nervous on the stage.
A.staringB.to stare
C.stare D.stared

题型:不详难度:| 查看答案
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