Swimming is __________ diving.

Which month has ________ days in a year?     February.

You should read the article as ____ as I do to know what the writer really wants to tell us.

–There is thick haze(雾霾)around many cities in China recently. What do you think of it ? ---I think __________ cars we drive, the less pollution the city has.

 I like Renben supermarket best, because it is the __________ of all.