I like the red skirt. The ______ is that I have no money for it. A matter B question C thing D problem
All the cars ________ stop when the traffic light is red.
—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? —________.