According to a new survey carried out by an American university, learning______ second language can result in_______ increase in the power to learn your native tongue.
A.a; the | B.不填; the | C.a; an | D.the; an |
The policeman __________ to be reading a newspaper. In reality, he was watching the man near the window.
A.pretended | B.hesitated |
C.swore | D.determined |
Athens __________ the birthplace of western civilization.
A.are known as | B.is known as |
C.are known for | D.is known for |
I didn't tell him __________ news at once because I wanted to give him __________ surprise.
A.the; a | B.the; / |
C.a; a | D./; the |
With so many people __________ by sending E-mails every day, it will become more and more important to have a good knowledge of the Internet.
A.communicating | B.communicated |
C.communicate | D.to communicate |
Tom went off to the EXPO Garden with his friends, __________ an exciting day of discovering the unique culture of each nation.
A.expected | B.expecting |
C.to expect | D.expects |