They lost their way in the forest, and _______ made matters worse was that night began to fall.
| A．it | B．which |
| C．that | D．what |
You may use the room as you like ________ you clean it up afterwards.
| A．as far as | B．so long as | C．in case | D．even if |
As the busiest woman in Norton, she made ________ her duty to look after all the other people’s affairs in that town.
| A．this | B．that | C．one | D．it |
With so much homework to do, _________to play football.
| A．there is no time | B．there are no time |
| C．I have no time | D．it is too busy |
_________ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．compare | B．when comparing |
| C．comparing | D．when compared |
I recognized him_________ I saw him in the crowd.
| A．now that | B．in case | C．the moment | D．if |