A
Our cat was ready to give birth to her kittens. My son was curious and excited to see the birth of these new babies. The event took place yesterday. The cat ___1___(give) birth to one kitten by the time he arrived home from school. He was so amazed at ___2___ he saw. When the second was on its way, the mother cat began to yell very loudly. I saw tears in my son’s eyes because he learned about the pain of giving birth.
【答案】1. had given
2. what
【解析】
【分析】
這是一篇記敘文。文章主要講兒子看貓媽媽生小貓的事。
【1題詳解】
考查時態(tài)。根據(jù)短語“by the time he arrived home from school”可知,此處應該用過去完成時,give的過去完成時形式是had given。故填had given。
【2題詳解】
考查連接代詞。分析句子可知,此處是一個賓語從句,需要填連詞;saw缺少賓語,且根據(jù)文意看見的應該是貓生寶寶的事情,故用指物的連詞what。故填what。
【點睛】by the time引導時間狀語從句時,它對應的主句一般用完成時形式,例如第1小題:
The cat ________(give) birth to one kitten by the time he arrived home from school.
時間狀語從句by the time he arrived home from school是一般過去時,故主句用過去完成時,give
過去完成時形式是had given,故填had given。