it could only get over the mountains if it rose to 10,000 feet

It could only get over the mountains if it rose to 10000 feet,请问这里的could only 怎么解释? it could only get over the mountains if it rose to 10,000 feet it could only get over the mountains if it rose to 10,000 feet.这里的only是什么用法 i could not get it It could only get over the mountains if it roseIt could only get over the mountains if it rose to 10000 feet这句话有固定短语,老师说是主情从现,为什么这里的从句都是过去式呢 It could only get over the mountains if it rose to 10,000 feet.这句话中only...if 是不是个词组怎样理解if It could only get over the mountains if it rose to 10,000 feet.是对现在的虚拟语气吗? get thru this 歌曲翻译If only I could get through this I get through this I gotta get through this I gotta get through this I gotta make it, make it, make it through I´m gotta get through this I gotta get through this I gotta take my, take m I will get the pen for you ____ I could remember who last borrowed it.A.except thatB.if onlyC.only toD.in addition为啥选B? It could only get over the mountains if it rose to ten thousand feet.if后面是动词过去式,这是非真实条件句吗?could 起什么作用? It could only get over the mountains if it rose to 10000 feet.This means it would succeed in getting over the mountains.为什么用would succeed in getting.解释下为什么是getting就行... 英语翻译Now lonliness you let me no more .You may think I could not take it!But my way To come out and get it .Not only you and me So are you game? I'll get it for you _I could remember who last borrowed it A if only B on condition that请详解,说明到底选哪个以及另一个错误的原因 how could you not get it?可不可以写成how couldnd you get it? it( )only about four hours to get there. if only 和on condition that什么区别?比如这道题-Could I borrow your Longman Dictionary? -I'd get it for you ______ I could remember who last borrowed it. A.except that B.if only C.on condition that D.considering whether 答案加思路,3Q it could only get over the mountains if it rose to 10000 feet,这里的could 可以用was able to代替吗我的理解是could表示虚拟语气可能,而was able to表示动作成功完成的结果,我理解是不能互换,但不知道是否正确, Could I use your dictionary?—I’m sorry it isn’tCould I use your dictionary?—I’m sorry it isn’t here.I’d get it for you _____ I could remember who last borrowed it.A.except that B.now that C.only if D.even though