9、People can call 911 when they need help．The police will come quickly．This phone number should be used only  1  an emergency．But there have been some problems with people using the 911 phone number． 2  than half of the calls made to it are an accident．These accidental calls are not real emergencies.

Calling 911 when you do not need  3  can be very bad．It wastes the time of the people answering the calls．It can even force someone  4 has a real emergency to wait before  5  （get） the help they need.

Many accidental 911 calls come from cellphones．Sometimes keys on the phone  6  （push） and the call goes through without the owner of the phone knowing that he has called an emergency number．People are trying to find  7  way to solve this problem.

They are testing a new program that might help solve the problem of accidental 911 calls．This program will make  8  （call） of 911 calls push another key on the phone  9  it is a real emergency．People hope that this change  10  （reduce） the number of accidental 911 calls going through.