Without facts, a person can not form a correct opinion, for he needs to have actual knowledge ______his thinking .
- Let's hurry. Professor Beach is coming. - Oh, I was afraid that we ________.
I spent the whole day repairing the motorbike. The work was ________easy.
They told me it would be cheap but ________it cost me nearly £ 500.
- Do you know where my address book is? - It________ be in the hall cupboard. I think I saw it this morning.
You can hardly imagine the difficulty the woman had________ her children.