1. The frightened child _______________(紧紧抓住母亲的手臂).
2. People _______________(往往会发胖)after giving up cigarettes because they turn to snacks as a substitute.
3. If we want to ________________(提前一个月完成这项工程的话),we have to hurry with it.
4. When he succeeded in finishing his design,the technician _______________(似乎忘乎所以了).
5. He is the sort of person ________________(你永远琢磨不透他讲的话).