---When did your uncle arrive ______ China? --- He got here______ the morning of May 1st. A. at ,in B. in , on C. to , on
--- How does Jack usually go to work? --- He _______ drive a car, but now he ________ there to lose weight(减肥).
---What's ________ wrong with you? --- I have ______ sore throat.
--Why is she at Xiao Ying’s home? --_________ they are friends.
We are ________ a school trip..
---When is Christmas? --- It’s _____ December 25.