Question

—Mr.Li ____ to Mary carefully when I entered the classroom this    morning.

— He is very patient ________ he is young.

A.talking, but              B. was talking, though

C. talk, though             D. talked, however

Answer

B

【解析】

试题分析：句意：—今天上午当我进教室时，李老师正在与玛丽认真地交谈。—尽管他很年轻，他很耐心。talk to与……交谈；根据when I entered the classroom this morning.今天上午当我进教室时，时间状语从句为一般过去时，主语正在发生某事，为过去进行时；though尽管，but但是，however然而；年轻是耐心的让步状语，故选B.

考点：考查动词及连词