Ⅰ.单句语法填空
1. The audience applauded loudly because the dancers had danced so ．(graceful)
2. The young man was praised for his (brave) of saving the boy from the big fire.
3．It is very (move) to see how much strangers can care for each other.
4. －It is four years since Jack (fall) in love with Mary.
－But they are not (marry) yet.
