Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
I can’t help _______the house because I’m busy making a cake.
People couldn’t help _____the funny villager.
She reached the top of the hill and stopped _____on a big rock by the side of the path.
I can’t imagine _____that with such a famous author.
She pretended ________the letter I wrote the day before yesterday.