Which sentence contains adverb clause?

Parts of speech এর উপর ভিত্তি করে ‍subordinate clause 3 প্রকার। যথা:
1. Noun clause
2. Adjective clause
3. Adverb clause
‍subordinate clause মূলত থাকে complex sentence এ।
সুতরাং ‍adverb clause যুক্ত বাক্য হলো complex sentence.
উৎসঃ Advanced Learner's Grammar and Composition by Chowdhury and Hossain & A passage to the English Language- S.M. Jakir Hussain & English Grammar in Use by Raymond Murphy