A．usedB．offeredC．triedD．attempted

A．didB．builtC．triedD．conducted

A．grantedB．offeredC．awardedD．provided

【C18】A．usedB．chosenC．takenD．spent

回答（61）题 查看材料A.taughtB.believedC.triedD.allowed

A similar approach can be ______to innovation.A．usedB．appliedC．triedD．employed

【C7】A．usedB．happenedC．seemedD．found