unless he to help us,we shall lose the game为什么是填promises 而不是虚拟语气用过去式promised?

Unless he promises to help us ,we shall lose the game. unless he to help us,we shall lose the game为什么是填promises 而不是虚拟语气用过去式promised? unless he promises to help us ,we shall lose the game为什么用promises 为什么不能用would promise unless he （） to help us ,we shall lose the gameA promises B will promiseC would promiseD had promised选什么 为什么 he said he would try every means to help us Help ___(oneself) to some fish.He said to us. ________Martin would like to help us,he doesn't have much time to spare for the time being.选择________Martin would like to help us,he doesn't have much time to spare for the time being.A.When B.Unless C.While D.Once We need he to help us （）改错！ He is always _____(get) ready to help us. 英文句子改错：he was glad to help us He did ____ he could ____ help us.A that ; help B what ; to help C what ; help He needs us to help him study Maths还是He needs us to help him studies Maths? He needs us to help him study Maths还是He needs us to help him studies Maths? He came here only_____A help us with it B helping us with itC to help us with itD what to help us with it He came here only_________A help us with it B helping us with itC to help us with if D what to help us with it bob promises to join in the football match unless he has to help his parents on the farm 怎么翻译? Mr.Wang is our Englishi teacher.He is_______(help) to us.用help填空 we asked Philip to come with us ,he ( )know the road.A.before B.while C.as D.unless