The most important thing about cotton in history is _____ part that it played in
_____ Industrial Revolution.
| A．不填; 不填 | B．the; 不填 | C．the; the | D．a; the |
Andy, along with his parents, _____ to Canada for a holiday since last Sunday.
| A．were going | B．was going |
| C．have gone | D．has gone |
This factory produces about one million pairs of shoes each year, 60% ____ are sold abroad.
| A．of them | B．of that |
| C．of whom | D．of which |
I don't like the way ________ you laugh at her.
| A．which | B．in which |
| C．by which | D．on which |
________ you've got a chance, you might as well make full use of it.
| A．Now that | B．After |
| C．Although | D．As soon as |
—Should I water the flowers every day?
—Yes. Most house plants require ________regularly.
| A．watering | B．being watered |
| C．to water | D．to be watering |