[ Grammar ]
Earthquakes are one of the scariest natural phenomena ___________ they are so unpredictable.
A. because
B. but
C. so
D. neither
Select your answer:

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Grammar › ViewWhat tense expresses an action which was going on at a given moment in the past.
A. past simple
B. past continuous
C. past perfect
D. past perfect continuous
Grammar › View
I _____ at the hair salon until September.
A. works
B. be working
C. am working
