He was ______ on the telephone so I asked him to speak more clearly. A: muttering B: compiling C: groping D: certifying
He was ______ on the telephone so I asked him to speak more clearly. A: muttering B: compiling C: groping D: certifying
He has come across in his research a tricky question, which left him __________ an answer in the darkness. A: applauding for B: striving for C: standing for D: groping for
He has come across in his research a tricky question, which left him __________ an answer in the darkness. A: applauding for B: striving for C: standing for D: groping for
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