人以0.5m/s的速度向竖直放置的平面镜走近，人在平面镜中像的大小 ____（变大/不 变/变小），经过2s像向平面镜走近　 ____　m．

⑴Where are you?____                                                         A. I'm talking to my friend.

⑵Excuse me. Where is the supermarket, please?____        B. I'm behind the tree.

⑶Thank you.____                                                                C. Turn left.

⑷Where is the train?  ____                                                  D. It's at the station.

⑸What are you doing?____                                                E. You are welcome.

－We will play football _________Class 4 tomorrow.  

－Good luck.

Han Han's books are popular. They _______by many teenagers.