Mike didn’t understand _______ made hiswife so upset this morning.

Did you notice a boy in blue come in—No , I didn’t because I ______ a movie.

Since many young people have become rich on Taobao.com,I wonder what _____ is like to run a successful on-line business. [ ]

The blueprint is to the builder _____ the outline is to the writer

Our country should set up more national parks animalscan live freely