16. The police set a ________ to catch the thieves.% u6 G* L: z( H* E
A) plan B) device C) trap D) trick5 v/ C/ L! c0 U# \( K6 b
17. We have to try every means to ________ the costs of the construction project.8 x1 g; H; P0 K. S- W1 X& ~
A) bring off B) bring forth C) bring down D) bring back6 a8 r/ X9 `- ~; U) ]# i
18. The students were participating ________ an international energy-saving competition between towns in New England and Canada.% h2 `' ~! O3 h o/ \
A) for B) in C) to D) at ' S5 F5 r" w) N% v19. When she was criticized, she claimed that it was outside her ________ of responsibility. $ X3 H) u5 n' C4 d6 AA) field B) limit C) extent D) range 1 @0 ]. y2 U- u) }3 l" f20. We welcome rain, but a(an) ________ large amount of rainfall will cause floods. / n. A9 D# p' O8 b! O9 N' x" aA) extensively B) extremely C) specially D) constantly' b8 M! z+ h1 t& z7 K2 C$ O
16-20 CCBDB