—Have you ever been to Washington?
---Yes, ____shall I forget ___ it for the first time.
| A．however; visiting | B．never;visiting | C．never;to visit | D．forever; to have visited |
You can’t be careful enough with the dry wood ．It ___easily．
| A．is lighted | B．is lighting |
| C．will be lighting | D．lights |
Once_____in the forest, you ought to remain__you are waiting for help．
| A．being lost; where | B．losing; where |
| C．lost; there | D．lost; where |
In his dream, he arrived at___seemed a fairyland．
| A．what | B．which | C．where | D．there |
While a huge amount of money ___been spent stopping pollution , large quantities of water__still heavily polluted．
| A．have; is | B．has ;are | C．have; are | D．has ;has |
It was __of the millionaire not to donate even a penny to charily．
| A．sharp | B．dull | C．mean | D．generous |