— Excuse me. Is the museum open all day long?— ______ , only from 9:00am to 5:00pm.
I don’ t mind _____the door.
There are some dangerous fish in the river, and I’ve warned Jack______ here.
The old man _____live with his wife, but now he ______alone after she died.
I don’t dare ______ in front of the class.
I think _____ should not be allowed to drive.