---Will people use money in 100 years?---- .Everything will be free.
---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.
—Excuse me. Where is the museum? —It is quite far. It will take you half ___ hour to go there by _____bus.