1. While traveling in America, she______ herself of the opportunity to learn English. A. ushered B. utilized C. used D. availed
2. The research requires more money than ______. A. have been put in B. has been put in C. being put in D. to be put in
【考博英语补全句子】 1. In fifteen terrible seconds a large city was _______ ________（废墟）. 2. _________ _______ ______ _______（信不信由你）, our school is close to the bus station.
