– I am afraid I can’t return the camera to you before Friday.– ____. 

—Thanks a million for your timely help!—________

--- May I use your new dictionary? I want to look up a word. --- It’s over there. _______.

－Who’s calling? － Oh,       .   

Safety comes first. We should        to keep safe on the road.① obey the traffic rules② be careful of passing cars and buses③ run fast after others④ not read the messages on our mobile phones⑤ play basketball with your friends