在英语学习中，遇到难题是常有的事。《朗文交互英语》作为一套受欢迎的英语教材，其第2级的内容对于许多学习者来说具有一定的挑战性。本文将针对一些常见的难题进行解答，并提供相应的答案。
一、词汇难题
1. 词汇选择
问题示例：在以下句子中，选择正确的单词填空。
“The weather is getting __________. We should take an umbrella.”
A. worse
B. better
C. more
答案解析：正确答案是A. worse。因为句子表达的是天气变得越来越差，所以应该用比较级。
2. 词汇拼写
问题示例：请拼写以下单词。
- accommodation
- responsibility
- approximately
答案：
- accommodation
- responsibility
- approximately
二、语法难题
1. 句子结构
问题示例：将下列句子改为正确的形式。
“I am not feeling very well, and I __________ to see a doctor.”
A. should go
B. must go
C. would go
答案解析：正确答案是B. must go。这里使用must表示强烈的必要性。
2. 时态使用
问题示例：用正确的时态填空。
“He __________ (do) his homework before dinner.”
A. has done
B. did
C. does
答案解析：正确答案是A. has done。这里使用现在完成时表示动作发生在过去，并且对现在有影响。
三、阅读理解
1. 短文理解
问题示例：阅读以下短文，回答问题。
“Last weekend, I went to the beach with my friends. We played beach volleyball, swam in the ocean, and had a picnic. It was a wonderful day, and I enjoyed it very much.”
Question: What did the author do last weekend?
答案：The author went to the beach with his friends last weekend.
2. 长文理解
问题示例：阅读以下长文，回答问题。
(长文内容省略)
Question: What is the main idea of the article?
答案：（根据文章内容回答）
四、总结
通过以上解析，相信大家对《朗文交互英语》第2级的难题有了更深入的理解。在学习过程中，多加练习和积累，相信大家能够克服这些难题，提高英语水平。