－Miss Gao is popular amongthe students.－Yes. Herclasses are always andinteresting.

Computers and mobile phones, though they are indeed making our life ____ and more ____, have reduced the need for face-to-face communications.

He turned his back __________ me and refused to lend me any money when I lost my job .

Engines are to machines _________ hearts are to animals.

Do not give up! Perhaps ________ tough task needs more of your effort. — I won’t. I’ll have ________ second try anyway.