Question

The students took the trouble _____ all the ______ leaves away

1. A.
   to clean, fallen
2. B.
   to clean, falling
3. C.
   cleaning, falling
4. D.
   cleaning, fallen

Answer 1

A
试题分析：学生们不怕困难尽力扫除落叶。take the trouble to do sth. 不怕麻烦或困难尽力做某事。falling leaves: 正在飘落的叶子。现在分词表示正在进行的动作。fallen leaves: 落在地上的叶子。过去分词表示已经完成的动作。故答案为A.
考点：固定搭配；分词作定语。