Even if Thomas Edison hadnt invented the electric light successfully, we ______electric light by now.
A．would probably have
B．would have probably
C．would probably have had
D．would have probably had
We dont have more computers in stock, or we______your order immediately.
Once environmental damage_____, it takes hundreds of years for the system to recover.
B．is to do
The Vostok steadily dropped ______ to the ground until Gagarins cabin was separated from the rest of the rocket.
B．closer and closer
D．as close as
There are three times as many graduate students in our university ______ in yours.
B．as the same
When people send a telegram they do not include unnecessary words because it ______the cost.
B．has been increased
Since his paper contains______ mistakes than ours, his will be entered in the contest.
The committee for local development asked that the new highway______along-side the railroad.
The World Trade Center, the tallest skyscraper in New York City, ______ the Empire State Building before September 11, 2001.
A．had eight floors taller than
B．had eight floors more taller than
C．was eight floors more taller than
D．was eight floors taller than
If John were to resign and if Henry were elected to take his place, we______ more vigorous leadership.
B．should have had