—Can you describe _____ it happened?
—Yes, I was riding on my bike _____ a car knocked me down from behind.
| A．when; as | B．how; as | C．how; when | D．how; while |
Now more and more people prefer to have a _________ at home---a little dog, a cat or some other animals.
| A．habit | B．hobby | C．parrot | D．pet |
TV home shopping has changed the way of shopping and the ____ of people's family life in some way.
| A．meaning | B．structure | C．pattern | D．tense |
In Paris nowadays, we may see musicians performing in the streets to ______.
| A．audiences | B．visitors | C．travelers | D．passers-by |
There are 5 _______ in the passage about nanometer(纳米)technology we have just read. Please tell me the general meaning of the first one.
| A．persons | B．paragraphs | C．articles | D．units |
The house was sold for 60,000 dollars, which was far more than its real _______.
| A．cost | B．value | C．price | D．worth |