.No! they in Beijing.A.isn′t B. weren′t C. wasn′t
We see some people ____ happily on the street.A. walking B. to walk C. walks
_______ you feel tired?A. Are B. Do C. Does
There _______ many people on the street.A. is B. are C. have
May I ____ some grapes?A. to have B. having C. have
Danny is singing a song ____ my mother.A. to B. for C. across