[ Present and Past Perfect Tenses ]
I’ve been _____since 5 o’clock in the morning.
A. study
B. studies
C. studied
D. studying
Select your answer:
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Other quiz:
Grammar › ViewHe ran away lest he ______.
A. was seen
B. should be seen
C. is seen
D. be seen
Vocabulary › View
Some people think that the energy resources we use cannot be ______.
A. depeleted
B. installed
C. certified
D. ranked
How to use : Read the question carefully, then select one of the answers button.