题目

He returned from abroad ______________ that his mother had been badly ill.
A.heard B.having been heard
C.having phoned D.having been phoned
___ how to read the new words,i often look them up in the dictionary.
a.Having not known b.Not to know
c.Don't know d.Not knowing
选D,D 求分析

提问时间：2021-01-23

答案

第一题选D是他从国外要回来之前就被告之他母亲病得厉害.b虽然时态和d一样.但是hear是听说.事件是被告之不是被听说.故选d.那第二题,是指通常情况下,遇到不懂的新单词就会查字点.故用一般时.