In China, _____ car is increasingly becoming ________ popular means of transportation．
| A．the; a | B．a, 不填 | C．the, 不填 | D．a; the, |
You were mistaken ____Jane，she really wanted to help you.
—I admit that I mistook her offer______ a threat. Anyhow，I don’t like the way she acts.
| A．about; to | B．for; as | C．about; for | D．in; for |
Although she____ for a moment about the job，she finally accepted it considering the benefits of it.
| A．hesitated | B．paused | C．stopped | D．wondered |
____several times，but unfortunately，the boy still couldn’t smooth away the problem on his own.
| A．Having been explained | B．The problem having been explained |
| C．The problem had been explained | D．Although the problem had been explained |
___herself wondering whether she had made a mistake, she felt embarrassed and at a loss.
| A．Catching | B．Caught | C．Being caught | D．Having been caught |
____ with a camera a compass and several maps , the scientists set out to explore the ancient forest.
| A．Equipping | B．Having equipped | C．Equipped | D．To be equipped |