In my opinion, it’s the best use that could be ______ this machine.
He__________ he would be able to leave tomorrow, but it's beginning to took difficult.
—I put him down for a well-educated man. —___________ ? —I mean that he's a well-educated man.
Jack is one of those men who_________ best evening and the most difficult situations.
--Whose advice do you think I should take? --___________.
__________ you understand the rule, you will have no further difficulty.