动词不定式专题练习1. He seemsthe old lady.A. knowingB. to be knowingC. to knowD. to be known2. Tomwhen they spoke ill of him.A. happened to be passed B. happened to be passing by C. happened passing by D. happened to passed3. We all hopescientists.A. becomeB. to becomeC. becomingD. became4. The boy refusedfor climbing the tall tree.A. to payB. to be paidC. being paidD. paying5. I happenedthe article when he asked me about it.A. having readB. to have readC. to be re
