I was about to leave the office an unexpected visitors came.
| A．while | B．as | C．when | D．before |
April 23 is stated as World Book Day, an important date for literature around the world, _______ Shakespeare was born and died.
| A．where | B．when | C．which | D．why |
_______ with the performance by Lily, the judges gave her a high score.
| A．Impressing | B．Being impressed |
| C．Impressed | D．Having impressed |
She got so _____in her work that she didn’t notice anyone passing her.
| A．devoted | B．concentrated | C．addicted | D．absorbed |
The beautiful girl stood there until the train ___________.
| A．lost sight | B．caught sight | C．was out of reach | D．got out of sight |
Mary began here as a(n) ______ worker and ended up getting a full-time job with the company.
| A．optimistic | B．temporary | C．previous | D．uncertain |