A．considerableB．reliableC．availableD．flexible

A．plentifulB．limitedC．irregularD．flexible

【C20】A．considerableB．consideringC．consideredD．considerate

What best describes the man？A．DifficultB．DemandingC．FlexibleD．Satisfied

A．importantB．reliableC．sadD．acceptable

【C5】A．legibleB．reliableC．legalD．liable

A gene for chopsticks flexibility is found to be_