We look forward to the day when the motorcar has been replaced by some less dangerous ____ of transport.

—Hello, I’d like to speak to Henry. —Oh, which _______? There are two ______ in our office.

 The CCTV show Chinese Characters Dictation Competition has taken the country by storm, which is partly designed to arouse people’s _______ in the Chinese language.

—I’ve got an “A” in the exam.—That’s a good _______.You’ll surely win a second.

At the meeting they discussed three different ______ to the study of maths.