23. _______ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
| A．Would | B．Should | C．Can | D．Must |
Dina, _______ for months to find a job as a waitress, finally took a position at a local advertising agency.
| A．struggling | B．struggled | C．having struggled | D．to struggle |
—I’m afraid Mr. Wood can’t see you until 4 o’clock.
—Oh, _______ I won’t wait.
| A．no doubt | B．after all | C．in this way | D．in that case |
_______ the secret of nature, the young scientist h
as little time for entertainment.
| A．Devoted to bring out | B．Devoted himself to bringing out |
| C．Devoted to bringing out | D．Devoting to bring out |
It’s true that the old road is less direct and a bit longer. _______, they don’t like to take the new
one.
| A．Though | B．Somehow | C．Therefore | D．Either |
When the woman heard the news that her daughter was killed in the mud-rock flow in Yilan, Taiwan, she ______ crying.
| A．burst into | B．burst out | C．burst in | D．burst on |