It was not until 1920 ____ regular radio broadcast began.
| A．while | B．which | C．that | D．since |
__________ his happy look on the face, he must have passed the exam this time.
| A．Judging from | B．To judge from |
| C．Judged from | D．Judge by |
Thanks to their hard work, the new bridge has been finished_____________.
| A．behind schedule | B．ahead of schedule |
| C．in front of schedule | D．beside schedule |
___________ to carry out the plan in time, they will make careful prepatations.
| A．Determine | B．Having been determined |
| C．Determined | D．being determined |
The money collected should be made good use ____________ the people in South Asia who suffered a lot in the earthquake and the tsunami (海啸).
| A．of helping | B．to help |
| C．to helping | D．of to help |
The book which __________ at the end of last year turned out to be a great success in Shanghai.
| A．came about | B．came up |
| C．came out | D．came across |