The conference has been held to discuss the effects of tourism _______ the wildlife in the area

There is no doubt ________all this new technology is changing the way ________we work and offering many other ways of working.

The engine of the bus was _________,and the bad weather added to the worries of the passengers.[ ]

Xun were a contemporary writer, I can’tguarantee that he ________ laughed at by readers, as most young people don’tappreciate his writing style

He is one of those people _____ everybody will find _____ hard to please.