Nowadays everyone is responsible for________a harmonious society in China. [ ]

Robin told me that he would leave tonight.—What a pity! My brother wishes that he ________with him for a chat.

It’s true that the old road is less direct and a bit longer We won’t take the new one, _______, because we don’t feel as safe on it

Now the water in our town is _______ than it before. Something must be done to stop it.

Could you tell me _______yesterday— Because my bike was broken on my way here.