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

游客2025-03-17 0

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://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

[originaltext]Inthefewminutesthatremainoftoday’sclass,I’dliketo
Arelationshipwithyourcustomerislikeanyrelationship:It【C1】______time
[originaltext]Oneofthecomplaintsofcityresidents,notsurprisingly,is
Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda
三种可重复的基本颌位是A.牙尖交错位，侧方接触位，息止颌位 B.牙尖交错位，后
小军10岁生日当天，叔叔送了他一辆价值1500元的自行车作为生日礼物。事后，叔叔
A.αi相等，βi相等 B.αi相等，βi不相等 C.αi不相等，βi相等
随着书院发展而出现的教学方式是 A．大都授B．下帷讲学C．讲论讲会D．
单侧完全性唇裂的畸形特点中，错误的是A.患者唇高过长，人中嵴、唇峰消失 B.患
男性，17岁，三多一少症状1个月。2日前感冒发热，食欲减退。血糖17.9mmol

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

[originaltext]Inthefewminutesthatremainoftoday’sclass,I’dliketo

Arelationshipwithyourcustomerislikeanyrelationship:It【C1】______time

[originaltext]Oneofthecomplaintsofcityresidents,notsurprisingly,is

Inthe1960s,medicalresearchersThomasHolmesandRichardRahedevelopeda

三种可重复的基本颌位是A.牙尖交错位，侧方接触位，息止颌位 B.牙尖交错位，后

小军10岁生日当天，叔叔送了他一辆价值1500元的自行车作为生日礼物。事后，叔叔

A.αi相等，βi相等 B.αi相等，βi不相等 C.αi不相等，βi相等

随着书院发展而出现的教学方式是 A．大都授B．下帷讲学C．讲论讲会D．

单侧完全性唇裂的畸形特点中，错误的是A.患者唇高过长，人中嵴、唇峰消失 B.患

男性，17岁，三多一少症状1个月。2日前感冒发热，食欲减退。血糖17.9mmol