A. who B. whether C. when D. how
A. whom B. which C. who D. whose
A. that B. what C. whether D. if
A. when will they leave Beijing? B. when would they leave Beijing C. when they will leave Beijing D. when did they leave Beijing
A. travelled B. has tracelled C. travels D. had travelled
A. where does she live B. she lives where C. where she lives D. where she live
A. what Lily was B. what was Lily C. where Lily was D. where was Lily