Shall we meet at 5：00? Let’s make it ＿＿＿＿＿＿earlier? 

________，the search engine just gave me some brief introductions rather than the whole content of the book to read.

A Korean survey shows that shopping cart handles are the most bacteria-carrying items among some ________used objects.

Running a company is not _______ a matter of hiring people — they also need to be trained.

She devoted herself ______ to her research and it earned her agood reputation in her field.