be used 的用法be used to/as/by/for 区别,

完形填空,求救,英语好的来,
The word “hello” m_____ be used（被使用）more often than a_____ other one in the Englishlanguage.Everybody in the United States u_____ the word again and again andevery day of the week.
Thef_____ thing youhear when you pick up the phone is “hello”.If the caller is not an E_____,he may say,“Are you there?” TheA_____ inventor,Thomas Edison,is said to be the first person to use “hello” in the late 1800’s,soon after the invention（发明）of the telephone.
A_____ first people greeted(打招呼) e_____ other on the telephone with “Are you there?” Because they were notsure the machine could really send voices.
ThomasEdison,h_____ was a manof few words.He wasted(浪费)notime.The first time he picked up the phone,he did not ask if anyone was there.He was sure someone wasthere and just said,“H_____.”

英语练习
have to,medical treatment,operate on, be able to,be used as, be grateful to,local doctors and nurses,carry on with
1,People in poor areas need ( ) very much.
2,The Chinese people ( ) the soldiers in the flood in 1998.
3,English ( ) a foreign language in many countries.
4,By training ( ),we hope to help more people in poor countries.
5,The girl will ( ) drive a car in five months.
6,-Do I ( ) do my homework now?-No,you needn't.
7,We can ( ) our discussion after lunch.
8,The doctor has decided to ( ) the little boy.