Parents ____ bring up their children under 16 and educate them properly.
| A．could | B．may | C．might | D．ought to |
Once harm ______ to the environment, it takes years to have the system recovered.
| A．does | B．is done | C．will be done | D．be done |
Staying in a hotel in Shanghai one day costs ____ renting a house in my hometown for a week.
| A．the three times price of | B．three times the price of |
| C．as much as three times | D．as much three times as |
The woman managed to send her three children to universities but ______ came to see her when she was old and seriously ill.
| A．none | B．all | C．neither | D．both |
We regret to hear nearly half of the people in that area still live ______ the poverty line.
| A．under | B．over | C．below | D．above |
They got much _____ from those new books.
| A．ideas | B．photos | C．news | D．stories |