Now the question that you must carefully consider is _____ can be put into practice.
| A．how what you have learned | B．how you have learned |
| C．that why you have learned | D．how that you have learned |
I discovered that Lin Qiaozhi had ______ her whole life to her patients.
| A．moved | B．leaded | C．crowded | D．devoted |
Only after her mother came to help her for the first few months _____ to begin her project.
| A．she was allowed | B．was allowed she |
| C．was she allowed | D．she allowed |
_____ a family of chimps wake up is our first activity of the day.
| A．To watch | B．Watching | C．Watch | D．Watched |
Earlier that day, when they crossed the Rocky Mountains, they ____ to catch sight of some mountain goats and even a grizzly bear and an eagle.
A. tried B. had C, managed D. surrounded
. It is so wet there that the trees are extremely tall, some _____ over 90 metres.
| A．measure | B．measured | C．measures | D．measuring |