Whether dying patients      be helped to end their lives is a tough moral question.

Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours．

--The weather has been very hot and dry.--Yes. If it had rained even a drop, things would be much better now! And my   vegetables   .

------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.

 — How’s your tour around the North Lake? Is it beautiful?— It ______ be, but it is now heavily polluted.