What __ public is concerned about is whether the scientists win be able to find _____ cram for the disease.
21st Century is ______ a newspaper. It helps us to improve our English a lot.
When he borrowed the camera last time, he broke it and I had to pay to get it _______.
My father asked me ______ with me.
Mary had to call a taxi because the box was_______ to carry all the way home.
When ______from top of the hill, our school looks small.