This is a watch.Is it (you)?

This is a watch.Is it (you)? whose watch is this?it's____(i). What is this?This is a watch哪里错了 This is a watch.对a watch提问是什么? This is a watch in English.对a watch提问 This is a watch.对a watch提问是什么?that this is a watch(改为复数句) Is this a watch?（复数） This is a watch中文是什么? this is a good_____(watch)birds This is a watch.改为否定句. Is that this watch? Is this a c（）?No,it is a watch. whose watch is that?I mean the black ___.A it B one C this this is the first time i watch stars through a telescope改错 This is the watch for which I am looking 这句错吗 Whose watch is this?( ),I don't know. what is this in english it is a watch.a watch?__________?