为什么不用at birth?He is noble by birth.

为什么不用at birth?He is noble by birth. he is (at)portsmouth now.为什么不用from He is waiting at the bus stop?为什么用at,不用for? man's nature at birth is good He is tall and strong now,but you can't imagine he _____(重）only 2 kilos at birth. He is on the city basketball team 为什么用on,而不用at和with? someone is knocking at the door.___must be Tom.为什么用he而不用it? He is at least as tall as his brother, if not taller 为什么不用the taller 为什么he is having lunch at home now.中的having不用hasing? he was b--------at birth,he could not see anything He is unlucy because he is blind birth ,blind 后面填什么词,SINCE 还是from,为什么 The boy is not happy at the new school.He has ________ friends there.为什么用few,为什么不用little 1.Alfred Nobel_____died at birth,is remembered and respected long after his death because of the Nobel Prize. A.who felt he should B.who felt he should I think he is tall he 为什么不用宾格? Is he sitting on a football?为什么不用does he How oid is he 中的he为什么不用宾格? What is he waiting for?为什么用is不用does at birth是什么意思?