AThe harder he worked, Bthe most troubles he Chad in his early days of Dresearch.A．B．C．D．

Had he worked harder, he __________ 怎么选择

A good boss is the one who can ___ his employees to work harder and harder.A、motivateB

AThe reason Bwhich he Cwas absent from school yesterday is Dthat he was ill.A．B．C．D．

Shanghai Ais Bthe most largest city by population Cin the DPeoples Republic of China.A．B．C

Last year he learned______he had expected because he worked a lot harder.A．twice as much a

Lesson Three is Athe most difficult lesson, Bbut it isnt Cthe most difficult lesson Din Bo