用下面的单词或短语的适当形式填空

用下面的单词或短语的适当形式填空
think,think of,think about,think over 1.Don't ________it any more 2.I can't__________his address 3.We'll___________your suggestion and give you our answer tomorrow 4.We don't _________it too difficult to master a foreign language 5.I'd like to _________the matter_________ 6.She is a good worker.She is always________other 7.He_______it_______and remembered that he had put his umbrella somewhere in the library.8.He told us to try to_________in English