根据对话内容填入所缺的单词,使句子完整
A：It looks like rain,---it?B：Yes,it does.And i forgot my---.A：Don’t worry.You can use mine.By the way,have you ever --- of Singapore?B：Of couse.It’s wonderful place to --- a vacation .And the --- there is nearly the same all the year round.A：Really?Why?B：That’s because Singapore is so close to the equator.