Every possible means ______ to prevent the air pollution, but the sky is still not clear.

---Jane wasn’t in when Jack came, was she?---_____, but she returned a few minutes later.

The teacher rather than the students _____ referring to Reading Skills that _____newly published in America.

Not only he but also I ______ able to solve this kind of problem. 

To reduce food waste, we should only order as ___________ as we need and try to eat it up.