When we worked in the same office，we _______ often have coffee together.
| A．could | B．should | C．would | D．ought to |
_______ important advice father gave us the other day!
| A．What | B．What an | C．How a | D．How an |
My family consider ____ a computer, which is considered ____ a great help in our work and study．
| A．to buy; to be | B．buying; being | C．to buy; being | D．buying; to be |
We don’t allow _______in the office．But you are allowed _____ in the rest room．
| A．smoking; smoking | B．to smoke; to smoke |
| C．smoking; to smoke | D．to smoke; smoking |
Peter was so excited ______ he received an invitation from his friend to visit Chongqing．
| A．where | B．that | C．why | D．when |
Nine in ten parents said there were significant differences in their approach to educating their children compared with ______ of their parents．
A．those B one C．both D．that