问题
选择题
Mr Wang was reading in his office alone. Suddenly he heard someone ______ "Help! Help!" [ ]
A. shout
B. to shout
C. shouted
D. shouting
答案
答案：D
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Mr Wang was reading in his office alone. Suddenly he heard someone ______ "Help! Help!" [ ]
A. shout
B. to shout
C. shouted
D. shouting
答案：D