________ as the “first lady of speech”，Dr, Lillian Glass is recognized as one of the world's leading experts on communication skills.
| A．Knowing | B．Having known |
| C．Known | D．To be known |
--- When did Lily’s brother finally stop drinking alcohol?
---It was in May ______ he was put into prison for drunk driving.
| A．that | B．since | C．when | D．before |
--What do you think of ________ gifted chemist from London?
---Well, sometimes his behavior is beyond ________ comprehension.
| A．a, the | B．the / | C．the the | D．a / |
visual
| A．measure | B．insurance | C．sugar | D．persuade |
abstract
| A．parent | B．expand | C．acre | D．adjust |
exhaust
| A．exercise | B．exist | C．excuse | D．exhibition |