—Johnson，come and look at the sea！It's beautiful，isn't it?—Absolutely！If only I ______here by the sea.

----Thank you very much for giving me a hand when I was in trouble. ------Don’t mention it. I only did what anyone else _______ in my place.  

If you really want yourself to be in good health, you must ___ always ___ so much.

 Food safety has become a growing concern. Had the offenders been punished severely enough, the situation________ different now.

---Are you still going to Shanghai for the Spring Festival? ---Yes, but I really     because I have a lot of things to deal with.