请教几道英语题
1.Many useful inventions of the world were invented by a______.
2.She r_____ at home to look after the children.
3.Thomas Edison sent ______ a doctor to operate______ her.
A.for,in B.for,with C.away,on D.for,on
还有啊,英语中表示分数是怎么表示啊?
参考答案:1. accident
by accident 出于偶然
2.retired 退休
3.D
send for sb. to do sth. 需要某人做某事
operate on sb. 对某人做手术
英语中分数是基数词-序数词,当分子大于1时,分母的序数词加s,如:
one-third 1/3
two-thirds 2/3
three-fifths 3/5