the teacher and chief of office ___invited to give a speech at the meeting the following week.
a was b were 选A.the teacher and chief of office 是同一个人,用单数形式.
it was quite an important incident in her life,_____never be forgotten.
a which i think will b i think which will 选A.这是一个非限定性定语从句,关系词应该在从句句首.
he left for beijing ___he graduated from university in 2008.a the year b since 选B.这是一个时间状语从句,自从2008年大学毕业,他就去北京了.
arriving at the airport and then being upgraded to first class was not___ he expected at all
a which b what 选B.是表语从句,从句中缺少宾语.表语从句是名词性从句的一种形式.名词性从句包括主语从句,宾语从句,表语从句和同位语从句.