[ Grammar ]
The scientist usually works in his lab __________ the sun sets.
A. until
B. as soon as
C. although
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Grammar › ViewI am ready for a break.
What voice does the verb use?
_
A. Active
B. Passive
C. Stative
Tenses › View
Which of the following sentences is an example of the present continuous tense?
A. We come here every week.
B. He lives in America.
C. It is raining at the moment.
D. I think he’s lazy.
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