Which is the best response to this question: "Do you need help with your luggage?"? Excuse me. Need what? No, it's my luggage Thanks. Why not? Sure. It is so heavy. Sailing a boat through the Nile river was a/an __ experience, and they wish they had not done it before. fascinating amazing threatening exciting

The question "Do you need help with your luggage?" is a polite offer of assistance. The best response should be polite and clear in accepting or declining the offer. <br /><br />1. "Excuse me. Need what?" - This response is not appropriate as it implies confusion and does not directly address the offer of help.<br />2. "No, it's my luggage Thanks." - This response is clear and polite, indicating that the person is acknowledging the offer but declining it.<br />3. "Why not?" - This response is ambiguous and does not clearly communicate the person's intentions or feelings about the offer.<br />4. "Sure. It is so heavy." - This response is also clear and polite, indicating acceptance of the offer of help.<br /><br />The second part of the question seems to be a separate statement rather than a direct question, describing an experience sailing a boat through the Nile river. The word to fill in the blank should describe the nature of the experience. <br /><br />1. "fascinating" - This word suggests a positive and engaging experience.<br />2. "amazing" - This word also suggests a positive and awe-inspiring experience.<br />3. "threatening" - This word suggests a negative experience, which contradicts the wish expressed in the sentence.<br />4. "exciting" - This word suggests a positive and thrilling experience.<br /><br />Considering the context of the sentence, the word "threatening" is the most appropriate choice as it contrasts with the wish expressed in the sentence, indicating that the experience was challenging or daunting.