37…………can get a brochure on the second floor. (A). To participate (B). Participate (C). Participating (D). Participants
38. The………..looked effective, and the board of directors liked it. (A). propose (B). proposal (C). proposed (D). proposes
39.An early………..is required, especially in this kind of situation.
(A). decide (B). decision (C). to decide (D). decided
40.The research shows that this ……….can cause big noise problems
(A). some machineries (B). machineries (C). machinery (D). a machinery