23. I asked him ______ that he managed to get the information.
| A．it was where | B．what it was | C．why was it | D．how it was |
---I'm sorry I stepped outside for a smoke. I was very tired.
---There is no ______ for this while you are on duty.
| A．reason | B．excuse | C．cause | D．explanation |
.It ______ to me that I should pay a visit to my friend Jane next week.
| A．happened | B．supposed | C．proved | D．occurred |
Public attention at the moment is ______ on the problem of how to create
opportunities for the laid-off workers.
| A．focused | B．paid | C．attracted | D．concerned |
.His conclusion, ______ on careful research, was acceptable.
| A．to base | B．to be based | C．basing | D．based |
.Our neighbor has ______ ours.
| A．as a big house as | B．as big a house as |
| C．the same big house as | D．a house the same big as |