https://online2.tingclass.net/lesson/shi0529/0001/1240/15-09.mp3
https://image.tingclass.net/statics/js/2012
16.Mr Russel is a good teacher, but he often gives ____ lectures.
A. excellent B. extensive C. sound D. tedious
<tedious>
tedious 很郁悶的、很惹人煩的、單調(diào)乏味的
</tedious>
<excellent>
excellent 優(yōu)秀的、很好的
out-standing 最優(yōu)秀、杰出的
</excellent>
<extensive>
extensive 廣泛的、廣大的
</extensive>
<sound>
sound n.聲音、adj.非常好的、健全的
</sound>
