(2019哈尔滨改编)Kids like reading stories which can make them ________.
A.laugh B.to laugh C.laughing D.laughed
As far as I know, the robot that can sweep the floor ________ in the 1980s.
A. is invented B. invented C. was invented D. has invented
(2019梧州)There ________ a concert in our school hall next week.
A.is going to have B.will have C.will be D.is going to hold
（2017 • 重庆中考）It’s sports time. Most ___________ students in Class 1 are playing football on the playground.
A.boy B.boys C.boy’s D.boys’
(初高中衔接题) Tu Yoyo and other ________ showed that women can hold up the half sky.
A.woman scientists B.women scientist
C.women scientists D.woman scientist
(创新题) Normally, which of the following takes up almost 21% in the air？________
A.CO2. B.O2. C.H2O. D.CO.
