---Has Tom finished his job yet?
---I have no idea of it; he _____ it this morning.
| A．has been doing | B．had been doing | C．did | D．was doing |
___________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tired |
| B．Tired |
| C．Tiring |
| D．Being tired |
He proved himself a true gentleman and the beauty of his ___________ was seen at its best when he worked with others.
| A．temper |
| B．appearance |
| C．talent |
| D．character |
So far we have done a lot to build a low-carbon economy, but it is ___________ ideal. We have to work still harder.
| A．next to |
| B．far from |
| C．out of |
| D．due to |
This restaurant wasn't ___________ that other restaurant we went to.
| A．half as good as |
| B．as half good as |
| C．as good as half |
| D．good as half as |
The number of people invited __________ fifty, but a number of them __________ absent for different reasons.
| A．were ； was |
| B．was ； was |
| C．was ； were |
| D．were ； were |