The population of the city ________from less than half a million in 1949 to over two million.
| A．have increased | B．has increased | C．have improved | D．has improved |
相关试题
________ cave that George has discovered in his lifetime is near the Alps.
| A．The hundredth | B．The hundred |
| C．Hundredth | D．A hundredth |
“You’ve left the light on.” “Oh, so I have. _____ and turn it off.”
| A．I’ll go | B．I’ve gone |
| C．I go | D．I’m going |
.Mr. Smith ________ me to buy several ________ eggs for the dinner.
| A．asked; dozen | B．suggested; dozens of |
| C．had; dozen | D．persuaded; dozens |
Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities. 
| A．were always being warned | B．are always warning |
| C．always warned | D．had always been warned |
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