【题目】他们很有可能由于文化差异而误解彼此。(be likely to)

【答案】They are likely to misunderstand each other because of their different cultures.
【解析】are likely to固定短语“很可能”；，misunderstand“误解”；because of “由于”。因此答案：They are likely to misunderstand each other because of their different cultures.