My physics teacher told us light ______ faster than sound. A. travel B. travels C. traveled
-Simon, it's time to go to bed. -OK , Dad. _______.
- _______ your mother happy today?-No, she_______.
—_______ Daniel often go swimming with his father in summer?—_______. His father is usually very busy.
—Can you swim in a river? —_______.
—_______ Millie and Kitty come to school by bike?—_______. They go to school on foot.