This is certainly the case, but ____ it is a mistake or not I don’t know.

The football match is coming. I’m not sure if it will rain tomorrow. — If it tomorrow, we’ll put off the match.

Some experts thought that the standards of education __________ these years in China.

一”Peter, have you got your new flat furnished?—YesI ______ some used furniture and it was a real bargain

my idea about time.