[ Grammar ]
The scientist usually works in his lab __________ the sun sets.
A. until
B. as soon as
C. although
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Conjunction › ViewIdentify the appropriate conjunction: “She didn’t go to the party ____ she was feeling sick.”
A. because
B. but
C. or
Grammar › View
A) What time _____?
B) At 5:30
___
A. Do we arrive
B. we arrive
Grammar › ViewHow many students in your class _________ from Korea?
A. comes
B. come
C. are coming
D. came
Grammar › View
— is your grandfather?
He is 90 years old
A. How old
B. How far
C. How long