Green is my favourite ______ .A. fruit B. food C. colour
_____ you have a nice trip to Beijing?A.Do B.Are C. Did
live with ____ mother and father.A.we B.us C. our
--What are you doing? ---- I am _____ a letter.A.sending B. writing C.Both A and B
What is ____ envelope?A. a B.an C ./
We put the address on _____ right.A.a B.an C.the