They ______ on the program for almost one week before I joined them, and now we ____ on it as no good results have come out so far.
| A．had been working; are still working | B．had worked; were still working |
| C．have been working; have worked | D．have worked; are still working |
The old lady, ____ had been killed in the war, was given help by the local government.
| A．all her children | B．whose all children |
| C．all of her children | D．all of whose children |
Be sure to read the _______ carefully before you take the medicine so that it can function better.
| A．directions | B．composition | C．prescriptions | D．presentation |
One more day, _______ I will get everything ready.
| A．or | B．while | C．and | D．but |
When she realized I _______ her, she quickly made a pose, smiling.
| A．photographed | B．had photographed | C．was photographing | D．will photograph |
Every detail should be thought of _______ that nothing unexpected happens again.
| A．to make sure | B．make sure | C．making sure | D．be made sure |