1:B-A-A-C-B
2:1-5 A-C-A-A-A
3:1-5.F-T-F-F-T
4.1-5:B-B-C-A-B 6-10:D-B-A-B-C
5.C-B-C-A-D 6-10: A-A-C-B-D
6.1-5: D-C-D-C-A
6.keep a cool head 7.should move away from bulidings and street lights
8.had better hide under a desk or table.
9.should hide under a table or a desk
10.should open a window and get out of the buliding quickly.
7.interesting,universe,speaking ,concert,
singers ,raise,never,myself,tired,cleaning.
8.