选择填空 —Will the new iphone cost a lot --I____ think so .Apple's products usuallyexpensive.A.would B.must 为什么

问题描述:

选择填空 —Will the new iphone cost a lot --I____ think so .Apple's products usually
expensive.A.would B.must 为什么

I (would) think so.
意思是:我想“应该是”这样吧。
表达的语气并非斩钉截铁,而是推断。

would 对.
主语是第一人称时,must 是必须做的意思比较多,表猜测时此句文意不通.比如“I must have forgot the keys”我猜我一定忘拿钥匙了——在本题目中,我肯定知道自己怎么想,不用猜.would表示一种委婉的意思,表判断.