A.break down | B.keep off | C.break off | D.get through |
A.Being bitten | B.Bitten | C.Having bitten | D.To be bitten |
A.direct to | B.lead to | C.stick to | D.refer to |
A.amused | B.served | C.entertained | D.treated |
A.speak | B.distinguish | C.say | D.air |
A.off | B.over | C.out | D.back |
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