I Choose the correct form of the words to complete the following sentences. 1. importance, important, importantly a. It’s ___________ to find out what he is doing. b. We should make sure everyone is aware of the ________ of this meeting. 2. demonstrate, demonstrative, demonstration a. His new book is a ______________ of his patriotism( 爱国主义 ). b.Our computers are of a high quality. Now we can____________ them. 3. correct, correctly, correction a. Thinking _____________ is necessary. b. It is ____________ for you to keep it secret. 4. immigrate, immigrant, immigration a. The American government is very particular about who is _________ allowed there. b. Canada has many ___________ from Europe. 5. success, successful, successfully a. Congratulations on your __________ in the match. You played so well! b. Many women can __________ balance their marriage and career.