问题
选择题
_____ the boy is determined to do something , no one can stop him.
A．Even if
B．Now that
C．Once
D．However
答案
答案：C
词义辨析题。 A. Even if 即使 B. Now that 既然 C. Once 一旦 D. However 然而 句意：一旦这个男孩下定决心做事情没人能阻止他。 根据语境选C