题目

1.He is the oldest athlete ever _____an Olympic gold medal.
A.to win B.win C.won D.has won
2.What made Rodger so sad
---_____three tickets for the football match.
A.Lost B.Losing C.Because of losing D.Since he lost
3.Swan Lake is a famous ballet in four acts,_____on a German fairy tale.
A.is based B.basing C.based D.bases

提问时间：2020-07-27

答案

选A
有ever,说明是过去对现在造成的结果.
用一般现在时.可是同一个句子内,只好用不定式.
选B
这里是回答what
必然是短语,而且是主动句式,用losing
选选C
be based on 是固定搭配.
这里没有连词,后面的句子必须保证不完整.
所以省略be
用based.
呵呵,明白?