---Why didn’t you go to yesterday’s meeting?
---I would have but I ______ too busy working on the important experiment.
| A．had been | B．was | C．were | D．am |
— 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 |
_____ having some money raises our level of happiness, having too much money does not.
| A．While | B．When | C．As | D．Until |