英语三级入门练习辅导with his investigation
　　The scientist didn't mind ______ and went on with his investigation.
　　A.laughing at B. to be laughed at C. being laughed at D. laughed at
　　12.Mr. Baker sent his son to the doctor _____ an X-ray check.
　　A.gives B. to give C. being given D. to be given
　　13.Mother warned _______ the electric lamp.
　　A.not to touch B. him not to touch C. him not touching D. him not to touch
　　14._______ is one of good properties of this metal.
　　A.light in weight B. Having been light in weight C. Be light in weight D. Being light in weight
　　15.He gave no opinion about the matter because he didn't want to risk _______ in it.
　　A.to involve B. being involved C. to be involved D. involving
　　16.With tears on her face, the old lady watched the little boy _______ to a hospital.
　　A.send B. to be sent C. being sent D. sending考试大论坛
　　17.______ the book again, she discovered that she had missed a lot in her first reading.
　　A.While reading B. When read C. As reading D. In reading
　　18.Your experiment reports must be checked with care before ________.
　　A.handed them in B. them handing in C. being handed in D. handing them in
　　19.Mr. and Mrs. Smith didn't expect the house ______ so well.
　　A.to be decorated B. to decorate C. be decorated D. decorating
　　20.She was sitting in an armchair ______ a book.
　　A.reading B. to read C. to be reading D. to have read
　　11-15 CBBDB
　　16-20 CACAA