Ⅰ.用所给单词的适当形式填空（每小题1分，共8分）
1．What I need is a book that ________(contain) the ABC of oil painting.
2．I'd like to show my ________(appreciate) for everything you've done.
3．The young man was ________(succeed) in his business.
4．He________(employ) in writing a new book these days.
