I spent three hours_____ this book.A. finish readingB. to finish readingC. finishing reading
Most of the young people can hardly speak any Chinese,________?
He likes watching the children________football.
—Have you watered the plants________? —Yes,I have.
—How long has he________the books? —For about one week.
—Can you give me some information about vacation trips? —Why not________going to Hainan Island? A.consider B.mind C.keep