Adam’s boss taught him ____ when to be stubborn and ...

★ Conjunctions - Conjunctive Adverbs

Adam’s boss taught him ____ when to be stubborn and when to step back and quietly observe the situation at meetings with partner companies.

A. either

B. not only

C. whether

D. both

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____ the company launched its new products, it was already too late to make a significant impact on the market.

A. In order to

B. By the time

C. As much as

D. Now that