What do youthink of the young lady? — She is hard-working. She ________all her effort into her work before she got ill.

My father spends much money on books,_____he’s not rich.

Now that she is out of a job, Lucy ______ going back to school, but she hasn’t decided yet

You can hardly imagine the difficulty the woman had _____ her children.

etic engineering, ______ progress has been very rapid recently, is perhapsthe most important of all the sciences