Rick has learned a lot about Chinese culture _____ he came to China.
---- What are you _____, Tom? ----- I’m ________ TV programs.
Kate and I _____ doing ______ homework now.
Listen! Someone _____ songs.
Bob is ________ at the map to find where Beihai Park is .A, looking B. looks C. looked D. look
I think your mother is_____you at the school gate at the moment.