Don't argue with him any longer. You are only wasting your breath ______ to win him over to your side.
A.
having tried
B.
to try
C.
to be tried
D.
trying
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【简答题】SECT IO N 3 Questions 21-30 Questions 21-26 21-26.mp3: Choose the correct letter, A, B or C. Latin American studies 21 Paul decided to get workexperience in South America because he wanted A to teach ...