I know it’s normal for such a thing to happen，but we________it if we’d been more careful.

Alice, why didn’t you come yesterday? –I _________, but I had an unexpected visitor.

Jim passed the Chinese exam. What about Jack? –.

I wish my house would be built _____we can enjoy beautiful scenery with mountains and rivers

If more roads in the future, it will be much easier for people to travel around Xiangyang.—I agree.