单句语法填空
【小题1】I _____________(look) at the photos on the noticeboard when I heard a voice behind me.
【小题2】_____________(turn) around, I saw an older man.
【小题3】When my English teacher _____________(step) into the classroom, I was surprised to see the same older man I _____________(meet) earlier．
【小题4】Everyone started laughing, and I looked at them _____________ panic．
【小题5】_____________ I was embarrassed，his words made me a lot _____________(relax)!