No. 1 Finding qualified members for this project could be ------- difficult. (A) extreme (B) extremer (C) extremely (D) extremity No. 2 The meeting will commence as soon as the president -------. (A) arrive (B) arrives (C) arriving (D) arrival No. 3 Mr. Nelson ------- every opportunity to meet local politicians to benefit his business. (A) showed (B) called (C) made (D) took No. 4 Mr. Higgins is very popular among the hotel staff because he often gives a ------- large tip. (A) commercially (B) partially (C) considerably (D) possibly No. 5 Tony has been in a good mood since he got promoted ------- a senior manager. (A) in (B) as (C) to (D) with No. 6 The English conversation club has become active since it brought some new members ------- board. (A) on (B) over (C) for (D) across No. 7 The private electric generator is a cost-competitive product since it is designed for ------- production. (A) flexible (B) complex (C) experimental (D) mass No. 8 Joe was unable to ------- the problem by himself. (A) solving (B) solved (C) solve (D) solves No. 9 Before the conference, the presenters met to ------- about how to proceed. (A) refer (B) plan (C) talk (D) discuss No. 10 Membership to the networking club is open to anyone ------- he or she studied economics or not. (A) whether (B) if (C) either (D) since