[ Tenses ]
By the time the seminar starts, the attendees __________ from different parts of the world.
A. have arrived
B. will arrive
C. arrived
D. will have arrived

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Present, Past and Future Tense › ViewShe … work in the Bank, but she works in that factory.
A. doesn’t
B. didn’t
C. isn’t
D. wasn’t
Demonstrative Pronouns and Verb Tenses › View
The children ____ in the park.
A. are play
B. are playing
C. play
D. is playing
Grammar › ViewHeti ….. (have) a hat several days ago
A. had
B. hat
C. has
D. was having
Grammar › View
When you run, you _______________ up energy.
A. will use
B. used
C. would use
D. use
