We ________ you a letter yesterday.A.send B.sent C.sends
当你想要询问别人的生日是什么时候时,应该如何问:A.When do you have breakfast? B.When is your birthday?
--- ___ they taking a picture? --- Yes, they are.A. Am B. Is C. Are
Can I speak ___John?A. for B to C. on
Kate ____ playing chess.A. am B is C. are
_____season do you like best?A. Which B. What C. How