You should have passed the examination. Why didn’t you do our teacher suggested?
After a careful survey about the cause of the newly-built bridge, they finally came to a(n) _________ that it was due to the heavy rain.
He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system ____.
Computers and mobile phones, though they are indeed making our life ____ and more ____, have reduced the need for face-to-face communications.
The woman ____there under the tree, ____ in a blue shirt, is our headmaster.
The new technology, if____ to farming, will help increase the grain output.