He must be helping the old man to water the flowers，________？A．is heB．isn"t heC
题型：不详难度：来源：
He must be helping the old man to water the flowers，________？| A．is he | B．isn"t he | | C．must be | D．mustn"t he |
|
答案
| B |
解析
| must在此表猜测，是“一定”之意，此时反意疑问句部分以must之后的动词为准，所以B项正确。 |
举一反三
It"s the first time that he has been to Australia，________？| A．isn"t he | B．hasn"t he | C．isn"t it | D．hasn"t it |
|
(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ________？| A．hasn"t it | B．hadn"t it | | C．mustn"t it | D．didn"t it |
|
Nothing that you say can change his mind, ________？| A．do you | B．don"t you | | C．can it | D．can"t it |
|
—Where _______?
—I got caught in the traffic, or I would have been here sooner.| A．did you go | B．had you gone | | C．have you been | D．were you going |
|
There is no doubt that eating organic food will make you healthier, ________？| A．will it | B．does it | | C．is there | D．is it |
|
最新试题
热门考点