—What’s the low-carbon(低碳的) lifestyle like? —Save energy, and produce carbon.
Since we ________ our homework now. Let’s have a rest.
The sports meeting ________ twice a year in our school.
I love the movies ________ can give me a lot of pleasure.
I didn’t hear you, because I ________ yesterday’s football game.
You ________ come tomorrow. I can do it myself.