21．We are living in ______“micro” era—after ______ massive popularity of micro blogs and micro novels, online micro films are growing bigger now.
A. a; the B. the; a C. the; the D. a; a
22. (2012·北京高一检测) ________going to Spanish classes three times a week, he also has two part-time jobs.
A. Besides B. Except C. Beside D. Instead
