How is the weather today？ —Oh, lots of people are wearing warm clothes, so I guess it is.

Great changes ________ in China since the People’s Republic of China _________ in 1949.

Let’s go fishing if it _____ this weekend.—But nobody knows if it _______.

It is said that the bank was_______ a large amount of money.

Is Lucy or Lily the ______ of the twins?–Lucy. She was born half an hour earlier.