A large __________ of money was thrown in the water when the new apartment broke down suddenly.
A. number
B. amount
C. plenty
D. quality
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__________ was invented in 1917.
A. Radio
B. A radio
C. The radio
D. Radios
It’s a dorm for four, so __________ of us have to share the only one bathroom.
A. four
B. fours
C. every
D. the four
On a clear night you can see __________ stars in the sky.
A. a great deal of
B. a little bit
C. a million of
D. /
The global financial crisis affected the economy of __________ countries.
A. a dozen
B. dozens of
C. a thousand
D. thousands of