She was about to go to bed when it suddenly _____ to her that she hadn’t turned off the gas.
| A．happened | B．occurred | C．explained | D．referred |
Her boy friend is a tall young man _____ glasses. He likes to ______ a face.
| A．wear; make | B．wears; makes | C．with; make | D．wearing; making |
Please ______ that you have closed all the windows and turned off the lights before you leave the room
| A．make sure | B．be sure | C．bring out | D．hold up |
When he was sixty years old, he _____ his hometown.
| A．returned | B．returned back | C．returned to | D．went back |
______ you understand the rule, you can do it well.
| A．For | B．As | C．Once | D．While |
The room ____ voices of the children.
| A．filled with | B．was filled with | C．full of | D．was full with |