The old English poetry can be divided into two groups：the （）poetry and the （）poetry.

The United States has emitted more greenhouse gases than any other country in the world，and has reaped （）economic benefits from those emissions.

A.essential
B.substantial
C.abstract
D.material

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-Serina has been watching the TV series the whole night.-（）.

A.So her parents have
B.So have been her parents
C.Her parents have been so
D.So have her parents

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