-I didn’t know _______.He looked so sad yesterday.-Maybe he failed his exams.
—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 ________?