Two middle-aged passengers fell into the sea. _______, neither of them could swim.
| A．Actually | B．Unfortunately | C．Naturally | D．Luckily |
_______ the task on time, he was fired by the boss.
| A．Not completed | B．Not having completed |
| C．Not have completed | D．Not being completed |
I admit that there are problems, _______I don't agree that they cannot be solved.
| A．While | B．If | C．In case | D．Before |
—Why, Jack! Someone seems to have called you over there.
—Yes? I _______ that.
| A．am not realizing | B．haven't realized | C．didn't realize | D．don't realize |
In order to improve English listening, _______.
| A．he bought a Walkman |
| B．his father bought him a Walkman |
| C．a Walkman was bought by him |
| D．a Walkman was offered to him |
Twenty students from one high school were _______ such an experience.
| A．enough lucky to share | B．to share enough lucky |
| C．enough to share lucky | D．lucky enough to share |