capable of + -ing, not capable to/for

This type of question, asked 3 times: 17 Sep 2025 S3, 22 Sep 2025 S3, 23 Sep 2025 S3. All 3 questions below, oldest first.

Try each one first, then open its answer.

Question 1
17 Sep 2025 S3
85 $Find the part of the sentence that contains an error: The training program was designed (1)/ to make the employees capable to handle (2)/ complex queries efficiently (3)/ in customer support operations. (4)/$
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Question 2
22 Sep 2025 S3
96 $Choose the most suitable option to replace the highlighted part of the sentence: He is capable *to do this work *.$
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Question 3
23 Sep 2025 S3
90 $Find the part of the sentence that contains an error: The new encryption protocol is capable for thwarting (1)/ sophisticated cyber-intrusions that were previously considered (2)/ impervious to defensive measures (3)/ according to recent white-paper findings. (4)/$
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Question 1