We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school.

You should help the person who is ______. [ ]

Do you often go shopping ,Tina? —No ,_____.I didn’t like shopping at all .

Can you connect the keyboard ______ the computer? —Yes,I can. [ ]

Where is the School English Speech Contest going to be held tonight?— I’m not sure. Is it in the hall _____ can hold 300 people?