Polar bears live on sea ice, which they use as a platform for hunting seals.
A．most B．almost C．nearly D．mostly
The washing machine is environmentally friendly because it uses ___ water and electricity than ___ models.
A. less…older B. less…elder C. fewer…older D. fewer…elder
—Was it two months ago__ you luckily got an opportunity to spend your holidays in Spain?
—______. John was the lucky dog.
A. that, Not I B. when, Not really C. that, Not me D. that, Yes
In ______________, fashions changed and many factories closed down.
A. 1830’s B. 1830s C. the 1830s D. the 1830s’
They ______ a small laboratory and devoted every spare moment to this work.
A. picked up B. put up C. set up D. grew up
“I’m certainly more and more to the conclusion that Iraq has, ___they maintained（断言）, destroyed almost all of _____ they had in the summer of 1991.” Bill said.
A. which, what B. as, which C. as, that D. as, what
