动词不定式选择题练习(一)1.He seems _ the old lady.A. knowing B. to be knowing C. to know D. to be known2.Tom _ when 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 hope _ scientists. A. become B. to become C. becoming D. became4.The boy refused _ for climbing the tall tree.A. to pay B. to be paid C. being paid D. paying5.I happened _ the article when he asked
