It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind, ?
There were many more people who got injured in the big fire than _______.
The little time we have together we’ll try _____ wisely.
Twenty years have passed, I am glad to find the local people in some undeveloped areas are _________ than they were before.
The reason ____ he explained to us was ____he overslept.
— Are you still going to Shanghai for the Spring Festival? — Yes, but I really _____ because I have a lot of things to deal with.