card vs. ticket

[SpongeBob]

English Grammar Error, Intermediate level

ESL/EFL Test #23 "Expressions and Gerunds", question 4

You can always book seats in advance by paying on the Internet and when you get to the theatre, you can collect your cards.

(a) book
(b) by paying
(c) cards

English Grammar Error, Intermediate level

ESL/EFL Test #23 "Expressions and Gerunds", answer 4

You can always book seats in advance by paying on the Internet and when you get to the theatre, you can collect your tickets.

Correct entry: tickets
The error was: (c) cards
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i want explanation

SpongeBob

[Mister Micawber]

.
Admission tickets are required for a theatre performance. Cards has no meaning in this context.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber