The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.
| A．/; / | B．the; / | C．the; the | D．a; the |
Measures have been taken to prevent the accidents, but much _____ for more improvement.
| A．remains to be done | B．is remained to do |
| C．remains to do | D．is remaining to be done |
When Fred lost his job, he ____ his sorrows in drink.
| A．dragged | B．drowned | C．adopted | D．drank |
In American there are more households with pets than ____ with children.
| A．those | B．these | C．ones | D．that |
— How is everything going on with you in America.
—Quite well. Not so smoothly as I expected, _______.
| A．Instead | B．too | C．either | D．though |
In the plane crash accident, the chance of the pilots’ survival is ______.
| A．slight | B．slim | C．smooth | D．spare |