No. 1 When Ms. Anniston -------, we held a party in her honor. (A) realized (B) retired (C) retailed (D) rented No. 2 The private electric generator is a cost-competitive product since it is designed for ------- production. (A) flexible (B) complex (C) experimental (D) mass No. 3 Mr. Inglis, a former astronaut, ------- at a private university once a week. (A) lecturing (B) lecture (C) lectures (D) lecturer No. 4 It's getting popular among university students to do volunteer ------- abroad over the summer break. (A) works (B) working (C) worker (D) work No. 5 This study group consists of a couple of private ------- and some business owners. (A) invested (B) investor (C) investors (D) investing No. 6 Despite the analysts' forecast, Yano Technologies ------- a profit of $350 million during the last fiscal year. (A) rebounded (B) realized (C) refunded (D) referred No. 7 The shop decided to start using SNS to deal with increased competition ------- customers. (A) on (B) with (C) for (D) against No. 8 As many medical professionals predicted, the infection spread ------- the country by the end of summer. (A) through (B) throughout (C) on (D) out No. 9 It was shocking news that Silverstone Corporation was fined for committing ------- and substantial violations of federal law. (A) serious (B) seriousness (C) seriously (D) serious-minded No. 10 It required a lot of ------- to open new shops in those major cities at the same time. (A) orders (B) effort (C) purposes (D) hesitation