黄冈练习题 急死我了作业

黄冈练习题 急死我了作业
1.Air bubbles will come out when water is _____(boil).
2.Where to go for the holidays ______ yet.
A.are not decided B.have not been decided C is not being decided D has not been diceded
3.The death of the rich businessman ____ a mystery.
A gives B remains C lives D continues
4.Several ____ people went to see the robot show that day.
A hundred B hundreds C thousands D more hundres

1 boiling 水烧开时气泡会冒出来.用ing表示水在沸腾的状态
2 D where to go for the holidays是一件事情,要用单数的被动时态和完成时态
3 B remain 意 成为,是一个及物动词,后面可接名词,其他都是不及物动词
4 A hundred thousand 用作不确定的形容很多的意思时才要加s,后面再加of,hundreds of,thousands of；如果前面有数字或者several,则不需要加s