Some words may be defaced by careless usage. _________

The annual electricity usage of Australia is what percentage of the annual US electricity usage?

当使用应急泵时，记录使用时间。 A: When you use the emergency pump, record the time of operation. B: Anytime you use the emergency pump, record the usage. C: Once you use the emergency pump, record the usage. D: Upon use of emergency pump, record the usage.

How to interpret the sentence "The cat is behind of the car" in terms of dectic usage and non-deictic usage?

The prefix “over-” is identical with “sub-” and “under-” in terms of meaning and usage.

A．as today's usage ofB．in today's usage ofC．as today's use ofD．in today's use of A: as today's usage of B: in today's usage of C: as today's use of D: in today's use of

“Price has been more and more cheap.” is not an example of mismatched usage. ( )

C______ synonyms are synonyms that differ in the words they go together with. It is a matter of usage.

Idiomatic English usage is the same as idioms.

2.What are the two general levels of usage for language?