The reason for his success is _______ he worked very hard.
| A．why | B．that | C．whether | D．how |
_____ the government agrees to give extra money , the theatre will have to close.
| A．Until | B．Unless |
| C．Since | D．While |
Will you deliver, _____ do I have to come to the shop to collect the goods?
| A．and | B．or |
| C．so | D．then |
They stayed up until midnight _____ the old year out and the new year in.
| A．and saw | B．to see |
| C．seeing | D．for seeing |
If the car won’t start, _____ it.
| A．try push | B．try pushing |
| C．to try pushing | D．to try to push |
What worried the child most was ______ to visit his mother in the hospital.
A. his not allowing B. his not being allowed
C his being not allowed D. having not being allowed