At the meeting they discussed three different ______ to the study of mathematics.
| A．approaches | B．means | C．methods | D．ways |
— Why does the lake smell terrible?
— Because large quantities of water ____.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |
Although we have only met ______, I find we have a lot in common.
| A．from time to time | B．in time |
| C．by chance | D．over and over again |
Only ______ allowed to take part in the speech contest in our class and so the rest ______ disappointed.
| A．was John; were | B．John was; were |
| C．was John; was | D．John was; was |
This picture book is intended ______ the children who begin to learn Chinese words.
| A．to | B．with | C．for | D．in |
She is so ______ towards her employees that they all respect her.
| A．considering | B．considerable | C．considered | D．considerate |