[ Past Tenses ]
The past perfect continuous tense emphasizes:
A. The result of an action
B. The exact time of an action
C. The duration of an action
D. A future plan
Select your answer:

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Modals Verbs › ViewThey ____ when you called.
A. could have left
B. should go
C. must be going
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A giraffe is _____ a tree.
A. as tall
B. taller
C. not as tall
D. as tall as
