用participate的适当形式填空

1. All the          in the debate will have an opportunity to speak.93. Union leaders called

for the active            of all members on the day of protest.

2. I'll             in your suffering and joy.

下列血红蛋白（Hb）检测结果符合女性中度贫血的是（）.

A.30g/L

B.50g/L

C.80g/L

D.95g/L

E.105g/L