四级课堂笔记

advise

He was allowed ____ here.

A to smoke B smoking enable sb. to do enforce sth. on sb.

ensure sb. sth.

(that)

guarantee for sb./sth.

to do (that) assure sb. of sth. sb. that insure against fire theft insurance company

replace A with B

cease=stop

-less=without; not homeless friendless useless

have sth. in common

gene-r-all 人 generate gloom r

issue n. 杂志；期刊

有争议的问题 v. 出版 problem question

nuclear weapon

…find many (___differ)