Контрольные задания > I'm having a ___________________ of a time learning how to surf, though I find it almost impossible to ___________________ my balance.

Вопрос:

I'm having a _ of a time learning how to surf, though I find it almost impossible to _ my balance.

Ответ:

I'm having a challenge of a time learning how to surf, though I find it almost impossible to maintain my balance.

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