单项选择题
An old lady can speak two foreign languages,() surprises all the people.A. whichB. thatC. who
单项选择题 You are probably () me () my sister.A. confused , withB. confusing , withC. confusing , toD. confused , to
单项选择题 We found him()in the laboratory.A. workB. workingC. to work
单项选择题 He asked John()he could swim.A. thatB. ifC. how
