From the words lettered A to D, choose the word that best completes each of the following sentences.
The manager was not in when Addo called, so he left his ________ card.
supplementary
complimentary
complementary
identification
Explanation
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"Identification card" is an official document used for identity verification, like a national ID or staff badge.
In contrast, a "complimentary card" (or a business card) is used in professional settings to share contact details.
Addo intends to leave his contact details there so that it can be given to the manager and that he can be contacted (probably for another meeting). He can't be leaving his identification card, it is his complimentary/ business card that he should be leaving.

This answer is quite wrong! Here's why:
Identification card refers to a card that provides information to identify a person—such as a business card or calling card—so the caller can know how to contact the manager. In many business contexts, when someone is not available, their card (with their contact details) is left for the caller.
Complimentary card usually means a card given free of charge as a courtesy (like a coupon or a token of hospitality), which doesn't fit naturally in the context of a manager leaving his contact information.
Thus, the sentence "The manager was not in when Addo called, so he left his identification card" clearly indicates that the card serves to identify him, making identification the most appropriate choice.

