I ______on the door for ten minutes now without an answer.A、was knockingB、am kn

游客2025-03-17 18

问题 I ______on the door for ten minutes now without an answer.

选项 A、was knocking
B、am knocking
C、knocking
D、have been knocking

答案 D

解析本题测试时态。本句的意思是： “我直到现在敲了 10分钟门也没人回答。”“have been doing”是现在完成进行时，表示从过去某一时间开始持续到现在的动作。例如：He has been waiting for you for the whole morning，(他等了你整整一个上午了。)

转载请注明原文地址:https://www.tihaiku.com/zcyy/4001667.html

相关试题推荐

Mostpeopleagreethattaxesmustbepaid.Governmentcouldn’trunwithoutm
Mostpeopleagreethattaxesmustbepaid.Governmentcouldn’trunwithoutm
Classes______,thestudentsleftforhomewithoutdelay.A、wereoverB、beingove
Iobjected______themeetingwithouthim.A、tohaveB、tohavingC、havingD、have
如果没有音乐，这世界将是一个死气沉沉的地方。Withoutmusic,theworldwouldbeadullplace.
Thebookwas(sobored)thatI(returnedit)(tothelibrary)(withoutfinishing
Withoutapassport,leavingthecountryis______.A、inquestionB、withoutquesti
Ifyouthinkthatyoucan’thaveagoodtimewithoutspendingalotofmoney,re
Withoutourteacher’shelp,we______somuch.A、didn’tachieveB、willnotachiev
Theatmosphereisalltheairsurroundingtheearth.Withoutit,wewouldbe

随机试题

Itappearsthatthetelephoneistheprincipalorganizationelementintheo
Countriesatalllevelsofeconomicdevelopmentfaceasimilarchallenge:to
[originaltext]W:I’mscurry,Mike.Ihavetoputoffourmeetingtillfouro’cl
DoctorsinBritainarewarningofanobesitytimebomb,whenchildrenwhoar
《素问·宣明五气篇》提出：久卧伤A.气 B.血 C.肉 D.精 E.筋
2016年．一座“原汁原味迪士尼．别具一格中国风”的主题乐园在上海浦东区建成并向
文化是人类在社会历史发展过程中所创造的物质财富和精神财富的总和。
下列关于深圳证券交易所托管制度中“随处通买”的说法，正确的()A.也在上海证券交
2015年S省交通运输、仓储和邮政业所有者权益占规模以上服务业企业所有者权益
可能造成重大环境影响的，应当编制()，对产生的环境影响进行全面评价A、环境影响

最新回复(0)

I ______on the door for ten minutes now without an answer.A、was knockingB、am kn

Mostpeopleagreethattaxesmustbepaid.Governmentcouldn’trunwithoutm

Mostpeopleagreethattaxesmustbepaid.Governmentcouldn’trunwithoutm

Classes______,thestudentsleftforhomewithoutdelay.A、wereoverB、beingove

Iobjected______themeetingwithouthim.A、tohaveB、tohavingC、havingD、have

如果没有音乐，这世界将是一个死气沉沉的地方。Withoutmusic,theworldwouldbeadullplace.

Thebookwas(sobored)thatI(returnedit)(tothelibrary)(withoutfinishing

Withoutapassport,leavingthecountryis______.A、inquestionB、withoutquesti

Ifyouthinkthatyoucan’thaveagoodtimewithoutspendingalotofmoney,re

Withoutourteacher’shelp,we______somuch.A、didn’tachieveB、willnotachiev

Theatmosphereisalltheairsurroundingtheearth.Withoutit,wewouldbe

Itappearsthatthetelephoneistheprincipalorganizationelementintheo

Countriesatalllevelsofeconomicdevelopmentfaceasimilarchallenge:to

[originaltext]W:I’mscurry,Mike.Ihavetoputoffourmeetingtillfouro’cl

DoctorsinBritainarewarningofanobesitytimebomb,whenchildrenwhoar

《素问·宣明五气篇》提出：久卧伤A.气 B.血 C.肉 D.精 E.筋

2016年．一座“原汁原味迪士尼．别具一格中国风”的主题乐园在上海浦东区建成并向

文化是人类在社会历史发展过程中所创造的物质财富和精神财富的总和。

下列关于深圳证券交易所托管制度中“随处通买”的说法，正确的()A.也在上海证券交

2015年S省交通运输、仓储和邮政业所有者权益占规模以上服务业企业所有者权益

可能造成重大环境影响的，应当编制()，对产生的环境影响进行全面评价A、环境影响