—Mind your steps, guy! Don’t you see the words “_______ the grass”?—I’m sorry.
There used to be a few houses on side of the road, but now there are .
Sandy’s colour ________ be blue because she likes to be the leader, so it _______ be red.
I don’t have _________ to finish the work, because I’m not _________.
He doesn’t know _________ to stay here or not.
The little boy can speak _________ Chinese.