A.bring up | B.lead to | C.result from | D.break out |
A.give off | B.give out | C.give up | D.give away |
A.hoped | B.wished | C.demanded | D.permitted |
A.lie | B.has | C.have | D.is |
A.is | B.being | C.was | D.be |
A.operating | B.designing | C.replacing | D.exploring |
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