in the 1940's和in the1940s一样吗?
in the 1940's和in the1940s一样吗?
in the 1980s与in the 1980's一样吗
It's north of the park.和 It's in the north of the park一样吗
inside the building和in the building意思一样吗?
around the mountain和in the mountain一样吗
at post office 和in the post office一样吗?
on moutain 和in the moutain是一样的吗?
如上,英语词语辨析in the class和in the classroom一样吗?
in the 1940s和in the 1940's的区别
in the 1970s和in the 1970's有区别吗?
in the 1970s和in the 1970's有区别吗,还有怎么读?
in 1960's 和in the 1960s的区别