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
单项选择题 We consider it necessary()tom should improve his behavior.A. whichB. thatC. what
