介词、副词填空
The policemen went there in their research _____ the murder.
Hard work led _____ his success in the field of chemistry.
请将下面省略句中被省略的部分还原
My father is a teacher and my mother a nurse. →________________
_____ six, he began to study English.
－Look out! There's a kangaroo coming.
－Missed it. →________________
A bit more efforts, I think, the problem could have been settled. →________________
When asked where he had been, he made no answer. →________________
Miss Li hurried away as if angry. →________________
Don't speak while eating. →________________
He is in good health though old. →________________