[ Past and Future Tenses ]
When the earthquake ___, many people ___ inside their houses.
A. happens; were
B. happened; were
C. was happening; are
D. happens; are

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Transitional Words › ViewMedical studies have proven that sun damage can lead to melanoma; ________, you should always wear protective sunscreen.
A. however
B. for example
C. therefore
D. finally
Grammar › View
What is the meaning of the following?
mid-
A. middle
B. gone
C. half
Grammar › ViewA part of speech that answers questions WHICH ONE? WHAT KIND? HOW MANY? HOW MUCH? WHAT COLOR? is called
A. adverb
B. adjective
C. noun
D. verb
Adverb of Concession › View
_______ Adrian got up late, he could catch the last train to Seoul.
A. Although
B. Despite
C. In spite
