尽管must=have to,但后者中的have是助动词,可以适用的时态范围更广.选1 did they have
2 应该改为：Did they have to carry him?
3 应该改为：must they carry him?
4 应该改为：Do they have to carry him?
____to carry him?1 did they have 2 had they 3 must they 4 ha
1个回答
相关问题
-
They had already told us they _____ to carry it,so we carrie
-
They must have gone there two days ago,did not they?We must
-
They must have been to the USA,have not they?与He must have b
-
he had his doubts___they would give him another chance to ha
-
When they put they must have
-
what did they say to each other?they both said must help eac
-
They must have some t—— in English before they start to work
-
They must have some t—— in English before they start to work
-
1.They had little to eat in the p______,but now they have pl
-
They often play chess after they have had supper.这里 have had