She is making herself ill with _____ over her son's future.
| A．trouble | B．annoyance | C．disgust | D．worry |
You ______have written such a long article. The teacher said 100 words would be enough.
A. mustn’t B needn’t C couldn’t D. wouldn’t
— Is there any possible way to help the children get rid of such a bad habit?
— To be honest, it’s very hard, but we ______on this problem.
| A．work | B．worked | C．are working | D．were working |
— How are they getting on with their work?
— Everything goes well as ______.
| A．to be planned | B．being planned | C．planned | D．planning |
Along with the letter was his promise ___ he was free he would visit me the coming month.
| A．what | B．that | C．that if | D．whether |
To learn more about the book, Saving Ourselves, _______ to www.savingourselves.com.
| A．going | B．to go | C．gone | D．go |