in 1980s or in the 1980sAs i said...which one is correct?

in 1980s or in the 1980sAs i said...which one is correct? in 1980/in 1980s / in the 1980 / in the 1980s / in the 1980's/in the 1980' Let's talk in English on PTS or on the help:on the island or in the island,what's the difference in detail It's warm the sun in winter.It's warm ( ) the sun in winter.in;under,below or on ______is bob's mother ,the one in a red dress or the in a blue skirt l can use it in the hot s( ) or in the c ( ) winter or shortage in quantity or the seller ships a product without the buyer's shipping approval It's not on the left or the right.It's in the m( )如题 rollin'in 是什么意思?全：probably just the sandstorm that's rollin'in or a bad transmitter. () the weekend in or on? in the 1980s,in the 1980's和in 1980s的区别 in 1980's 与 in the 1980's的区别 教室里有什么?What's is there in the classroom? or What's in the classroom? in the 19th 和in the 1980's earn some extra money be part of play to passers-by in the street in the mid-1980s a year or so 意是五个短语 Hainan is the place to be,whether it's in summer or it's in winter.Hainan is the place to be,whether it's in summer or it's in winter.这个句子怎么解释,to be Is the second in May Father's Day or Mother 's Day?