[ Vocabulary ]
become impossible to see or hear any more
A. invisible
B. disappear
C. invincible
D. gone

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Vocabulary › ViewThousands of people _________ in the Istanbul Marathon
A. chance
B. take place
C. arrive
D. take part
Modals › View
Mr. Wu: Hi, Mark. Where’s your dad?
Mark: Oh, he ______________ to work because there was an emergency.
A. had to went
B. musted go
C. had to go