I think you are different now．–of course，times have changed，and ．

Don’t promise anything ________ you are one hundred percent sure.

－Is your mother watching TV now－ __________. She is cleaning the room.

The newcomer went to the library the other day andsearched for he couldfind about Mark Twain

We shouldn’t be too crazy about learning English, but it is also too______to give up English classes in schools.