You should have put the milk into&-考呗网

单选题 You should have put the milk into the ice-box; I expect it_______undrinkable by now.

A． became
B． had become
C． has become
D． becomes

【答案】C。解析：考查时态。从句意分析，牛奶已经变质，不能喝了，是过去发生的动作对现在造成的影响。而且by now是典型的现在完成时态的标志，故选C。

1 The beautiful mountain village_______we spent our holiday last year is located in_______is now part of Guangxi.

A． which ; where
B． where ; what
C． that; what
D． when ; which

2 _______for the fact that she broke her leg, she might have passed the exam.

A． Had it not been
B． Hadn't it been
C． Was it not
D． Were it not

3 Shenzhen has passed a new law to ban smoking in public, which canthe civilization of a city.

A． weigh
B． balance
C． explore
D． measure