-I can’t see the words on the blackboard clearly.-___ can I. Maybe we should wear glasses.
I remember ______ the math problem ______.But I can’t remember it’s answer.
It’s said that _____ of the water around the world _____ polluted.
---May I have a look at your plan for the robot ?----Sorry ,I’ve _____ it at home .
----Which of the two pairs of shoes will you take ?----I’ll take _____ .They are too small for me.
—What about playing football this afternoon, Sam?—I would rather at home than football. It’s too hot outside.