Some passers-by witnessed the car accident ______ five passengers were killed, a baby included．
| A．where | B．which | C．that | D．when |
________ you read English easily, you'll find it is another cup of tea to make conversation in English.
| A．So long as | B．As soon as |
| C．Even if | D．Only if |
________ Sandy's damage is unlikely to last long, it would apparently hurt the total economic output of the fourth quarter.
| A．Since | B．Before |
| C．Unless | D．Although |
________ the parking regulations have become stricter, more people will use public transport and leave their cars at home.
| A．Now that | B．Even though |
| C．In case | D．In order that |
Kids don't learn their native language consciously, ________ they become fluent in it very fast.
| A．but | B．and |
| C．for | D．so |
He always keeps silent when others are talking excitedly, ________ inwardly he is a man full of passion.
| A．and | B．for |
| C．so | D．yet |