选择括号内恰当的单词或词组填入空白处，使句意完整、正确。

选择括号内恰当的单词或词组填入空白处，使句意完整、正确。
小题1:–_______________ (Whose / Which) bag is this?
–I guess it’s Jack’s.
小题2:-3. –What’s the __________(price / color) of your new shirt?
–One hundred yuan.
小题3:–Could you tell me how to be a greener?
–No problem. We should save _______________ (money / water) in our daily life.
小题4:As we know, English is __________ (wide/widely) used around the world.
小题5:–It’s snowing heavily at the moment, isn’t it?
–Yes. We’d better ______________ ( put on / take off ) more clothes before starting.