Which preposition followed by "throw"?

[Timathy]

Business English Lesson, Advanced Level

ESL/EFL Test #565 "Cyber-criminals and Cyber-crime", question 2

Just increasing the quantities of manpower and money that a company throws ......... this problem is no longer sufficient to keep pace with all the changes.

(a) after
(b) at
(c) to
(d) (none)

Business English Lesson, Advanced Level

ESL/EFL Test #565 "Cyber-criminals and Cyber-crime", answer 2

Just increasing the quantities of manpower and money that a company throws at this problem is no longer sufficient to keep pace with all the changes.

Correct answer: (b) at
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which preposition followed by "throw"?

Timathy

[Mister Micawber]

Here, 'at'. Use 'at' when followed by the target (I threw the ball at the cat) and use 'to' when followed by the recipient (I threw the ball to my friend).
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Native English teacher at Mister Micawber's