单项选择题

The hands on this clock are lubricate so that it can be seen in the dark（）.

A. luminous
B. luminary
C. lugubrious
D. lubricable

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单项选择题

Some of the low-end made-in-China mechanical-electronic products are not selling well in export market as compared with what are termed as high-end ones.

A. on export market
B. in exporting market
C. in exported market
D. in the export market

单项选择题

We don’t plan to go to the concert, and so they don’t（）.

A. so do they
B. they don’t too
C. neither don’t they
D. they don’t either

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