78- They --------------- the race they took part in, but they didn't try hard enough. 1) had won 2) might win 3) have to win 4) could have won
\textbf{78-} \quad They --------------- the race they took part in, but they didn't try hard enough.
\noindent 1) had won \hspace{1cm} 2) might win \hspace{1cm} 3) have to win \hspace{1cm} 4) could have won
\noindent