--I'll be away on a business trip. Would you mind looking after my cat?
--Not at all._________.
| A．I've no time | B．I'd rather not | C．I'd like it | D．I'd be happy to |
Much as he ________ he has a good command of English, he sometimes feels it hard to find an appropriate version for some Chinese idioms.
| A．announces | B．declares | C．claims | D．confirms |
--You should have thanked her before you left.
--I meant ________, but when I was leaving I couldn’t find her anywhere.
| A．to do | B．to | C．doing | D．doing so |
Many people are ________ as to what to do when there is a fire.
| A．at a loss | B．at risk | C．at ease | D．at a distance |
Girls used to take fewer advanced math courses than boys but now they are taking just _______.
| A．as much | B．so much | C．as many | D．so many |
If we had taken such effective measures much earlier, the river ________ so seriously now.
| A．is not polluted | B．would not be polluted |
| C．had not been polluted | D．would not have been polluted |