英语、补全对话【Tow boys are waiting for the bus】

英语、补全对话【Tow boys are waiting for the bus】
【Tow boys are waiting for the bus】
A；Excuse me.1[
B；I'm from Egypt
A;Really?You are sure to see the pyramids,aren't you?
B;2[ ]I saw them many times.
A;How lucky you are!3[
B;The largest pyramid is the Great Pyramid.
A;4[
B;I他is146.5 meters high.
A;5[ ].
B;It was built about 2.560 B.C.
A;the bus is coming!Thank you for telling me.
B;You are welcome.