英语四级问题求解before we find the approach _________答案是：to cure can

英语四级问题求解before we find the approach _________答案是：to cure can before we find the approach to cure the cancer/cancers.该选哪个 can you find a way to cure this_(ill) Can we find ____ before an earthquake? we can't get on the bus __it stops.答案是until/before可否用unless :According to the internet,we can find out much information We _________(go)to school at seven in the morning.答案是go,为什么? It won`t be( )scientists can find out medicine to cure this We'll have to clean the plates before Mother _________ home. 翻译：I'm sure we'll find a cure for the poor tour guide . we were delighted to find the trees planted a year before __ --we need to drive t_____the city before we can get to the v