Tom’s mother always told him not to smoke again, but _____ didn’t help.
Clearly, development aid together with food ______ the long-term solution to the problem of poverty.
There are now many museums showing ______ life was like back then.
By the time you get to Beijing tomorrow, I ______ for Shanghai.
There is much ______ can be done about the accidents ______ from carelessness.
The time is not far away ______ modern communications will become widespread in China’s vast countryside.