Tony is twelve old, but his sister is only one old.
—Are you going to have a football game on Saturday ________ on Sunday?—On Sunday.
—Would you like to go to the cinema with me?—________. I love watching movies very much!
It will take me two weeks ________ the work.
—How often does your brother go swimming?—________.
I can’t learn math well. Can you give me some ________?