He had tried to ______ sleep by all his usual methods but with no success.A.secureB.induc

学历类 职称英语 已帮助 人

He had tried to ______ sleep by all his usual methods, but with no success.

A.secure

B.induce

C.impact

D.infer

热搜:关于氨基酸代谢错误的论述是_________。