Only in the past hundred years when electric lightening was
2个回答
选A 这句话是Only从句倒装 谓语结构要用反的 就是把动词提前 而此处的人类man是个统称 我们把它看成是单数名词 所以用has.
understood
相关问题
In the past hundred years, there ha
The girl__________ swim when she was only four years old.Isn
In the past, going to a piano teacher was the only way to le
in the past five of six years和 in the past five or six years
..1.When I was only four years,Mom told me that the sun___ (
in the past 100 years
in the past ten years
in the past few years
Hundreds of the books ______ from the library in the past fe
in the six hundred first year