---Are there any ________ on the farm?---Yes, there are some。
Our teacher said that light______ faster than sound.
Jack is _____ busy ______ he often forgets to have breakfast.
—Are you free this Sunday? — Yes. If it_____ , I will go shopping with mum.
Lily practises _______ the piano very hard.
Hurry up. There’s _____ time left.