[ Grammar ]
Carlos _________ _________ ___________ all day, so he had a headache.
A. had worked
B. was working
C. has been working
D. had been working
Select your answer:
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Grammar › ViewI will clean up the kitchen before my mother ________ home.
(A)come
(B)came
(C)comes
(D)will come
Vocabulary › View
What does “quivering” mean?
A. Shaking slightly because of strong emotion or cold
B. Unlikely to happen
C. To accompany someone
D. Full of gratitude