[ Perfect Tenses ]
What are the auxiliary verbs of the past perfect continuous tense?
A. has been
B. had been
C. was being
D. have been

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Grammar › ViewThe organization’s new business leadership is ________ about its future expansion into computer graphics.
A. excitement
B. excited
C. exciting
D. being exciting
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She is horseback riding in the beach. Which words belong in the underlined part of the sentence?
A. on the beach.
B. with the beach.
C. during the beach.
D. correct as is.
