these proposals look like a recipe for disaster这句话中为什么proposals是复数但还可以说是a recipe?

these proposals look like a recipe for disaster这句话中为什么proposals是复数但还可以说是a recipe? Look at these john. look these two boys Look ___ these slippers? look,these,photos,at ,please Look at these ( )(watch),please. look at these words翻译 look at these 的意思 These look very nice .(photo) Look at these＿(number) yes,Look-------- These ones,please. these flowers look good/ well or beautiful? Look at these photos from last Look at these people ______(play) basketball. Look!These butterflies______(fly)in the sky look at these后面用什么 look at these dwarfs. they aren't________. look at these people的中文