how possible could that be?

how possible could that be? How is it possible if后跟could还是possible How could How could He didn't know how he could get here lt could't be used then.lt wasn't ___to use it.a.able b.allowed c.impossible d.possible I wanted to know how they could learn 1,66 words as soon as possible.句子中的could可不可以用can? It could not be used then.It wasn't ___to use it.a.able b.allowed c.impossible d.possible --You speak good English.Could you tell me______?--You'd better communicate with others in English as much as possible.A.how can I improve my EnglishB.how I can improve my EnglishC.how could I improve my English how is that possible是什么意思 1.A：Where is the manager?B:I don't know .He _____ in his office a few minutes ago.A.is B.was C.has been D.had been2.If something could happen,then we can say it is _____.A.able B.possible C.OK.D.true3.She no longer ___________(remember) how to make they didn't know how they could do it.同义句they didn't know --------- --------- -----------it. How could that be possible.这句话that是第三人陈啊,应该后面用 is 才对啊 为啥用be Sir,could you tell me how many words we have to learn for the coming test?At many as possible.1,600 words at least.翻译 Alixe didn't know how she could draw horses well.(改为简单句)Alixe didn't know how ( ) ( ) horses well how could it How could I trust