I felt so cold that I could not help _____ ...

★ Verb-ing or to Verb

I felt so cold that I could not help _____ when I talked to him.

A. shake

B. being shaken

C. to shake

D. shaking

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The old man often forgets ______ the same stories to his grandson and kept repeating them.

A. telling

B. to tell

C. from telling

D. that tells