连词 考点测试 （ ）1. I can hardly believe my eyes. Is that you, Lucy? Yes. It has been almost 20 years _ we were together. A.since B. before C. after D. until （ ）2. Talk to your teacher and you will get help _ you have a problem. A. unless B. if C. until D. so （ ）3. Its going to rain. Youd better take an umbrella, _ you may get wet. A. or B. and C. but （ ）4. Eric arrived on time, _ it was the rush hour. A. although B. because C. while D. unless （ ）5. Diana isnt here, _ leave a message on her desk. A.A.
