She often ___________ her parents do housework at home.
The boy is _________ young to know ________.
---- What’s wrong with him? ---- He doesn’t feel very well. The doctor _______ just now.
When you are planting trees, the trees ________ straight in the hole.
I was about to park my car when a policeman stopped me. He pointed to a sign “________”.
Jim is a nice boy ________ likes helping others.