Let's tackle each blank individually, using context to determine the most appropriate word from the given options.
### Blank (a)
The sentence reads: "He promised me that he (a) ____ pay my fee but he didn't."
- might: This suggests a possibility but not certainty, which seems inconsistent with a promise.
- would: This indicates a definite intention that is consistent with a promise.
- should: This implies a recommendation or duty, not applicable here because we're discussing a promise.
Given the context of a promise, "would" is the most appropriate choice.
Blank (a) = would
### Blank (b)
The sentence reads: "Now I (b) ____ have to pay a fine."
- will: Indicates a definite future action, which aligns with paying a fine since it's a consequence.
- may: Suggests a possibility, which might imply uncertainty about whether the fine will be paid.
- could: Indicates potential ability, which doesn't fit well with the context of paying a fine since fines are usually obligatory.
Given the context, "will" fits best as it denotes a definite future action.
Blank (b) = will
### Blank (c)
The sentence reads: "He (c) ____ have told me if he was unable to do it."
- will: Indicates a definite future action, but the sentence is dealing with a hypothetical past condition.
- should: This implies an obligation or expectation, but could create ambiguity in hypothetical or conditional constructs.
- would: Fits well with hypothetical past conditions and is used to talk about what could have happened under different circumstances.
Given the context of discussing a hypothetical past event, "would" is most appropriate.
Blank (c) = would
So, the filled-in sentences are:
A. He promised me that he would pay my fee but he didn't. Now I will have to pay a fine. He would have told me if he was unable to do it.
Thus, the final answers for the blanks are:
- (a) would
- (b) will
- (c) would
