There are _____advertisements which encourage ______to participate in improving their neighbourhood.
Years later, he returned home, unexpectedly the old tree of his childhood__________.
Last Sunday I climbed to the top of the hill near my home, ______ I could see half of the city.
_______ we go to the McDonald’s? I am sick of the food there!
Since your English is poor, why not ________ an English club to improve it?
I think that's unlikely to happen, but if that_______, both America's and China's interest would be severely damaged.