I think _____________ necessary to do some morning exercises every day.

This is _________ film I’ve told you about several times. —It’s great. I’ve never seen ________ more moving one.

Did you listen to Mr.Jackson’s lecture ?— Yes，I have never heard a _____ one.

Some parents are just too protective. They want to ____ their kids from every kind of danger, real orimagined.[ ]

round the Water Cube, we werethen taken to see the Bird’s Nest for the 2008 Olympic Games