A. on purpose B. at first C. by chance D. in turn

Before starting an engine by air, the engine must .A.be turned by a turning gear for at le

_______ we won the war.A. In the endB. On the endC. By the endD. At the end

【C17】A．in returnB．in turnC．on the turnD．at every turn

Restructuring in the telecom businesses is ______.A: in handB: on handC: by handD: at

What was Steve Vaughts purpose of his epic journey at first？A．Touring.B．Weight loss.C．Book

【C6】A．In additionB．By comparisonC．In conclusionD．By chance