I just wonder _____ that makes him so excited?
| A．why it does | B．what he does |
| C．how it is | D．what it is |
Noone has _____ been able to trace the author of the poem.
| A．still | B．yet | C．already | D．just |
It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |
The exciting news he had been looking forward ___ at last, so he did nothing but____.
| A．to came; cry | B．to coming; cry |
| C．to come; to cry | D．of come; to cry |
I will hire the man _____ they say is a good English speaker.
| A．who | B．that | C．which | D．whom |
More time, _____I’ll finish it all.
| A．不填 | B．and | C．or | D．then |