She could _____ more polite, but I think she was ...

[ Modal Verbs of Certainty and Possibility ]

She could _____ more polite, but I think she was in a bad mood.

A. have been

B. be

Select your answer:

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Contractions and Conjunctions › View

Combine the following sentences using an appropriate conjunction: “I could go to the party. I could stay home and study.”

A. and

B. but

C. or

D. so

Vocabulary & Grammar › View

Visitors can see buildings of ancient…………..which are kept in the original state

A. Engineering

B. Singing

C. Architecture

D. landscape