His doctor suggested he ___ smoke because of his illness.

eaker, Professor Davie, __________ for hisimpressive achievements in physics, was warmly received by all the students inour school.

It was a time _____ the killer whales helped the whalers catch the baleen whales [ ]

Everyone in my class _______ the poor boy without parents.

I like skiing better than climbing because I think climbing is ________ skiing.