1.董事会
2.conjunction
3.在河上
4.五档,如:a five-speed manual transmission五档手动变速装置
5.单数,复数是phenomena。
6.都可。如:Those student who fail the exam will have to take it again.考试不及格的学生需补考。He failed in the exam because of his absence of mind.他因心不在焉而考试不及格。
7.面对着,朝着,得看具体情况,大部分情况是动词的现在分词。如:The two stood fronting each other.两个人面对面站着。
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