[ Tenses and Sentence Completion ]
I can’t understand ______ she is upset.
A. what
B. why
C. where
D. how
Select your answer:
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Grammar › ViewPoint out the subject of the sentence: “In the forest, mysterious creatures lurked among the ancient trees.”
A. In the forest
B. Mysterious creatures
C. Lurked among
D. Ancient trees
Tenses › View
It’s more than an hour that I _______here, and she still ________I wonder if there’s a problem of some kind.
A. have been waiting – hasn’t arrived
B. have waited – didn’t arrive
C. am waiting – isn’t arriving
D. wait – doesn’t arrive