如图,在四边形ABCD中,下列条件中可以判定AD∥BC的是( )
A:∠1=∠3
B:∠2=∠4
C:∠B=∠D
D:∠B+∠BCD=180°
What good news! Our school band (乐队)will play at Harbin Summer Concert in August.
A:How many horses do you have?
B:Four.
根据问句,选择合适的答句。
①Does Jane have a soccer ball?____ A. OK.
②Do you have a baseball bat?____ B. It's in my bedroom.
③Let's go!____ C. Yes, she does.
④Where's your baseball?____ D. No, I don't.
⑤Is it under the teacher's desk?____ E. Yes, it is.