Question

--- Did you finish _____ the book?
---Yes, I did. Thanks ____ your dictionary, I had a better understanding of it.

A．reading, for

B．reading, to

C．to read, for

D．to read, to

Answer 1

B

试题分析：本题的含义是你看完那本书了吗？我看完了，幸亏由你字典的帮助我才对那本书有更好的理解。finish doing表示做完某事的意思，thanks to表示多亏或幸亏的意思，故本题选B。
点评：在英文中部分动词后通常跟动名词doing作宾语，如单词finish，enjoy，practise，mind等单词后跟动名词，thanks to表示幸亏的意思，而thanks for表示因……而感谢的意思，注意它们的使用和区别。