31. Don’t you think that______________ is no use promising without doing?
| A．this | B．that | C．it | D．What |
His sacrifices for the country were never officially , which made all of us feel discouraged.
| A．acknowledged | B．appealed | C．recommended | D．evaluated |
--- Do you mean to play the hero in the film?
--- _____. But it should be a character I like.
| A．Not surprisingly | B．Not necessarily |
| C．Not importantly | D．Not absolutely |
-—David has gone to Australia on business.
—Really? I ______ why he was absent from today’s meeting.
| A．am wondering | B．wonder | C．was wondering | D．had wondered |
Hearing the news, she rushed out, _____ the book _____ on the table, and disappeared into the distance.
| A．left; lain open | B．left; lay open | C．leaving; lie opened | D．leaving; lying open |
Jack was halfway back to the village where his mother lived _____ Mary caught up with him.
| A．when | B．while | C．until | D．though |