Little Bob is a very ___ boy.
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.
More and more high-rise buildings have been built in big cities____ space.
Nowadays, more and more people like to hunt for what they want at www.taobao.com and have them ____ by the express company.