We had ___ homework to do last night, so we couldn't go to the cinema.

• A. Too many
• B. Too much
• C. Many
• D. Little

Answer: (B)

Quantity with uncountable nouns is the key idea here. Homework is treated as an uncountable noun in this context, so we pair it with too much to show there was more of it than was manageable. The forms with many or too many are for count nouns, so they don’t fit with homework. Using little would suggest there was only a small amount of homework, which wouldn’t explain why we couldn’t go to the cinema. So the natural completion is: We had too much homework to do last night, so we couldn't go to the cinema.