动词不定式专题练习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、 bee B、 to bee C、 being 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 me about it、A、 having read B、 to have read C、 to be read D、 reading6、 ______ with him is a great pleasure、 A、 To talk B、 Talk C、 Talked D、 To talking7、 It is nice _____ your voice、 A、 to hear B、 hear C、 heard D、 to be hearing8、 _____ is to struggle、 A、 Living B、 Live C、 To live D、 To be lived9、 Her wish is ____ a doctor、 A、 being B、 bee C、 to bee D、 being e10、 I wa