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單項(xiàng)選擇題

Please stop（）.It cannot help the situation.

A.to shout
B.shouting
C.to speak
D.speaking

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單項(xiàng)選擇題

He is looking forward（）his thesis.

A.to write
B.to writing
C.in writing
D.on writing

單項(xiàng)選擇題

Jack enjoys（）Peking Opera.

A.listen to
B.listening
C.listen
D.listening to