After＿＿＿seemed a hopeless wait, four coal-miners trapped in the mine for 125 hours were finally rescued in Heilongjiang Province．
| A．when | B．that | C．it | D．what |
The teacher asked more ______to prevent the students’ eyes from being injured.
| A．to do | B．done | C．to be done | D．being done |
It was decided to _______ the search when there was no hope of finding the missing child alive.
| A．call off | B．let off | C．put off | D．round off |
The story is very interesting, and it is _______.
| A．well worth reading | B．well worthy of reading |
| C．very worthy reading | D．worth to read |
What _______to go swimming in a river in summer!
| A．fun is it | B．funny it is | C．a fun it is | D．fun it is |
_______ I made a speech in front of so many people, I felt quite nervous.
| A．The first time when | B．For the first time |
| C．By the time when | D．The first time |