[ Grammar ]
_____ I opened the window, a butterfly came into my room.
(A)Although
(B)Before
(C)If
(D)When
Select your answer:

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Grammar › ViewMake sure you revise carefully before …………an exam.
A. taking
B. doing
C. making
D. getting
Grammar › View
They have ____________ in China for 6 years.
A. lives
B. living
C. lived
D. live
