What ___ Tom ______? He’s writing a letter in the study.A.is, going to do B. is, doing C. will, do
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