Most people usually have less money at the end of the month than ____at the beginning.
| A．which is | B．which was | C．they have | D．it is |
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 |
More and more attention has been drawn to the fact that many children are ________ in the countryside when their parents flood into the cities for jobs.
| A．left off | B．left aside | C．left out | D．left behind |
--How did you find your visit to Qingdao, Joanna?
--________.
| A．Oh, wonderful indeed | B．I went there alone |
| C．First by train and then by ship | D．A guide showed me the way |