Much to his disappointment, what he had devoted himself to＿＿＿in nothing but failure.
| A．resulting | B．was resulted |
| C．has resulted | D．resulted |
It is ____ you deal with difficulties that shows ____ you are really like.
| A．what; what | B．how; what | C．how; that | D．which; how |
As is natural, a man as old as he ____ be very forgetful.
| A．can | B．should | C．would | D．must |
Can’t we just live in today, _______ the worries of tomorrow or the regrets of the past?
| A．free from | B．aware of | C．sure of | D．tired from |
I had been puzzled over the problem for over an hour without any result, ____ all at once the solution flashed across my mind.
| A．while | B．when | C．then | D．as |
On the third floor there are two rooms, ____ is used as a meeting-room.
| A．one of them | B．the larger of which |
| C．and a larger of them | D．the largest one of which |