There used to ________ a clean river in the village, but now it’s dirty.

What colour can           you         a warm, sunny day?

You can trust them because they never_______ lies.

The old man was seen _______ in the park at 7:00 a.m. yesterday.

--- Which do you like better, beef noodles or tofu noodles?--- I ______ beef noodles to tofu noodles. I used to have them for breakfast.