--- What are you doing, Lily?--- I’m sticking some pictures of flowers ________ the scrapbook.A. to B. in C. on
Sam is a little weak in English and he has _____ what the teacher says in class.
______ great fun they had singing and dancing last Sunday night!
Not only you but also he ________ to my birthday party.
The floor requires_________.
I think your advice is of great value to me and it’s well worth ________.