1：i ( )the boys' 800-meter race last year:2：it is ( )dangerous to walk here
问题描述：
1：i ( )the boys' 800-meter race last year:2：it is ( )dangerous to walk here
3：the girl ( ) when she pleyed in the park 4：what ( )you yeasterday?从get lost,happen to,take part in,a bit里面选
答
1 took part in
2 a bit
3 got lost
4 happened to
加油!不明白再问!