— I have got a headache. — No wonder. You_______ in front of the computer too long. ( )

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问题 — I have got a headache.
— No wonder. You_______ in front of the computer too long. ( )

选项 A、work
B、are working
C、have been working
D、worked

答案C

解析表示从过去某时开始一直延续到现在的动作时，要用现在完成进行体，该动作可能刚刚停止，也可能还在继续进行。本句意为：——我很头痛。——怪不得你头痛，你坐在电脑前工作太长时间了。答案为C。

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现代英语语法

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— I have got a headache. — No wonder. You_______ in front of the computer too long. ( )

现代英语语法

文史类

剪力墙的优缺点是什么?

attempts,attempt,attempting,in,on,atAlltheir_torescuethechildfromtheburningbuildingwere_vain.

Accordingtoastudyonchildren’sbehavior,thetime_______thechildrenspendintheirone-wayrelationshipwithtelevisionpe

Withanappropriateformofbe-verb:IwishI_______tallerandstrongersothattheywouldn’tdaretotreatmebyroughhandling

Withanappropriaterelativepronounorrelativeadverb:Thisistheveryplace_______I’mwishingtolivein.

Usingfronting:Acomputercantakemostoftheseproblemsinitsstride.

doesn’t,haven’t,don’t,hewants,theywant,hewantedTheyouthoftodayknowwhat_fortheirlife.

Withadeterminer:IsuddenlyrealizedI’dcomeoutwithout_______money.

Usingapropermodalauxiliary:PerhapshewasworkingforSimons.

which,which,what,what,that,thatThereissomethingIwantyoutodobut_youhatetodo.

地西泮止痉重复使用需要间隔

水痘皮疹的演变顺序为

蜡型在包埋前用清水洗后，再用乙醇涂布表面，主要目的是

β-环糊精的应用包括

人类发展指数包括()基本的要素。

对于金融市场，下列说法正确的有()。

旅行社终止经营的，应返还质量保证金。()

面对旅游者讨论中国人口多的问题时应该()。

构造非齐次方程组，使得其通解为(1，0，0，1)T+c1(1，1，0，一1)T+c2(0，2，1，1)T，c1，c2任意．

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剪力墙的优缺点是什么?

attempts,attempt,attempting,in,on,atAlltheir_______torescuethechildfromtheburningbuildingwere_______vain.

Accordingtoastudyonchildren’sbehavior,thetime_______thechildrenspendintheirone-wayrelationshipwithtelevisionpe

Withanappropriateformofbe-verb:IwishI_______tallerandstrongersothattheywouldn’tdaretotreatmebyroughhandling

Withanappropriaterelativepronounorrelativeadverb:Thisistheveryplace_______I’mwishingtolivein.

Usingfronting:Acomputercantakemostoftheseproblemsinitsstride.

doesn’t,haven’t,don’t,hewants,theywant,hewantedTheyouthoftoday______knowwhat_______fortheirlife.

Withadeterminer:IsuddenlyrealizedI’dcomeoutwithout_______money.

Usingapropermodalauxiliary:PerhapshewasworkingforSimons.

which,which,what,what,that,thatThereissomething______Iwantyoutodobut_______youhatetodo.

地西泮止痉重复使用需要间隔

水痘皮疹的演变顺序为

蜡型在包埋前用清水洗后，再用乙醇涂布表面，主要目的是

β-环糊精的应用包括

人类发展指数包括()基本的要素。

对于金融市场，下列说法正确的有()。

旅行社终止经营的，应返还质量保证金。()

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attempts,attempt,attempting,in,on,atAlltheir_torescuethechildfromtheburningbuildingwere_vain.

doesn’t,haven’t,don’t,hewants,theywant,hewantedTheyouthoftodayknowwhat_fortheirlife.

which,which,what,what,that,thatThereissomethingIwantyoutodobut_youhatetodo.