My dad fell off the ladder a week ago and ________ in bed ever since.
| A．was |
| B．is |
| C．has been |
| D．would be |
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 |