About a clock.

0They are all fine. I would probably use 'accurate' (without 'the').0-

0 In the UK, we would say a clock keeps good time, if it is accurate. If you wanted to use this expression, though, you might want to change the use of good in the previous sentence. 0-

0>This clock is very good in quality.02br
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00 A bit pretentious to me, not quite natural. Perhaps:02br
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01i00This clock runs very well. 02br
00 This is quality clock. 02br
00 This is a clock on which you can rely on. 02i0-

0Hi guys,02br
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00Or you might just say 01font00'This is a good clock'.02font02br
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00Clive0-

0 >This clock is very good in quality.02br
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00Doesn't sound English. I would say "This clock is of good quality."02br
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00However, it is commonly accepted, nowadays, that "quality" may be used as an adjective. So you will hear people say "This is a quality clock".02br
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00(I don't like this usage but it is largely accepted