From facts, scientists have ___________ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.
A. confirmed B. concluded C. concentrated D. centred
When my grandpa was young, he had to several miles a day to school since he had no money to take a bus.
A. cover B. take C. get D. make
__________, the dancers practice hard to make their dreams come true.
A. Being disabled as they B. As they are disabled
C. Disabled as they are D. Disabled so they are
When realizing the guard of the supermarket had spotted him , the thief the exit as quickly as possible.
A．made for B．made out
C．made up D．made into
―Look! What a mistake! Why?
―Sorry, I _________ on it.
A. don’t concentrate B. hadn’t concentrated
C. haven’t been concentrating D. wasn’t concentrating
Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.
A. of; to B. for; to C. on; on D. in; on
