while they are old enough while 可以这样用吗?换成when是不是更好?

while they are old enough while 可以这样用吗?换成when是不是更好? They are old. And how old are they? they are both as happy as they are old, How _____(/,old)are they? They are ten. 英语翻译Every day some people are killed while they are crossing the roads． 1 of these people are old people and children． Old people are often killed because they can't see or 2 very well． Children are killed because they are not 3 ． The They are old insects单数句 they are old computers改为单数形式 They are old monkeys?改成单数句 They are old jeeps. (改为单数句) How old are they?改成中文 How old are they?同义句转换 They are for the old .快 英语翻译My( )are old,( )they're( ) ( ) They learn () while they are watching and (） Good morning! Help me, please! Thanks.People are often killed while crossing the road. Most of these people are old people and children.请根据这两句话判断正误:Most of old people and children are killed while they cross the road. 请帮忙 How old are your parents?A.They are forties B.They are thirty They themselves are often hurt while they are trying to save lives是病句吗?