______ frightened us ______ a tiger turned up suddenly in front of us.
| A． What; was that | B．What; was | C．It; that was | D．It was; that |
________ I can see, there is only one possible way to keep away from the danger.
| A．As far as | B．as long as | C．Just as | D．Even if |
Don’t give up halfway, Andy. You’ll succeed _______ if you keep on working like this.
| A．in turn | B．on time | C．in time | D．by accident |
He made up his mind to devote his life _______ pollution _______ happily.
| A．to prevent; to live | B．to prevent; from living |
| C．to preventing; to live | D．to preventing; living |
After five hours’ drive, they reached _______ they thought was the place they had been dreaming of.
| A．that | B．where | C．which | D．what |
The news that he failed in the exam _______ his unhappiness this morning.
| A．accounted for | B．accounting for | C．had accounted for | D．to account for |