16.A. Generally?B. However C. Possibly D. Likewise
17.A. to produce B. who produces?C. produce D. how to produce
18.A. Out of the question B. Though?C. Probably?D. Undoubted

19.A. escaping B. locking C. opening D. dropping
20.A. Surprisingly B. Obviously?C. Perhaps D. Although
21.A. if B. whether C. as to D. that
22.A. involved B. closed C. connected D. bound
23.A. at B. by C. in D. for
24.A. rid B. charged C. accused D. deprived
25.A. candle B. mud?C. something D. substance
26.A. As B. Usually C. Maybe?D. Then
27.A. overall B. all but C. no longer D. altogether
28.A. it B. which?C. that D. him
29.A. chest B. body C. lid D. chain
30.A. brought up?B. sunk?C. broken apart D. snapped
答案:
16-20:BCCAD
21-25:DDCCD
26-30:ADBAA