TPP is______.A．an abbreviationB．an acronymC．a blendingD．a derivation

I _____________ an Open University student.A.amB.areC.is

The author uses power walking as an example mainly because _________.A. it is an outdo

EFL in paragraph 4 is an abbreviation of______.A.

This is an article that______.A. those unexpected

The underwater part of an iceberg is_________.A.l

__________ is a document issued to an exporter by