There must be many people ________ for their trains at the train station because of the golden week holiday.
--- Are you coming to Davy’s party, Kate ? --- I’m not sure, I ________ go to the movies instead.
---What are you going to do this weekend ? --- Well, we’ll clean up the city parks ________ it rains..
---You’ve chatted for nearly two hours. --- Yeah. We’re talking about the things ______ happened yesterday.
It’s raining hard, so we have to _______ the sports meeting.
--- Nancy? You have straight hair ! --- Yeah, it _____ be curly.