小测验：选择正确的单词

1. He screwed the caps tightly onto the bottles.
   他将瓶盖牢牢地拧到瓶子上。
2. She clung tightly to her few remaining possessions.
   她紧紧地守住所剩无几的财物。
3. I was tightly wedged between two fat women.
   我被紧紧地挤在两个胖女人中间。
4. He caught my hand and held it tightly.
   他抓住我的手紧握住。
5. We began packing the freight cars much more tightly.
   我们开始把货运汽车装得更加密集。

　2个副词解释