状语从句练习题1.Ill let you know _ he comes back. A. before B. because C. as soon as D. although2. She will sing a song _ she is asked. A. if B. unless C. for D. since3. We will work _ we are needed. A. whenever B. because C. since D. wherever4. Read it aloud _ the class can hear you. A. so that B. if C. when D. although5._ you go, dont forget your people. A. Whenever B. However C. Wherever D. Whichever6. It is about ten years _ I met you last. A. since B. for
