you ____ study more he ____ be at home. she ____ help us. they ____ called you. We ____ forgotten it. You ____ tried harder. He ____ listen carefully. She ____ finish the work. They ____ come later. I ____ left earlier. You ____ wear a helmet. We ____ go to the park. He ____ apologized She ____ lost the keys.

"Modal Challenge: Practicing Should, Could, and Must!"

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