Low-carbon lifestyle is of great benefit to improve the world environment．________can be enjoyed from it until you have a deep understanding of it, however．
| A．Something | B．Nothing | C．Few | D．Much |
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 |
----- She doesn’t play the piano, but she likes singing and dancing.
-----_________.
| A．So I am | B．So it is with my sister | C．So am I | D．Neither do I |