_______ with his research work, the professor cared little about any other things.
| A．Occupying | B．Occupied |
| C．Having occupied | D．Being occupied himself |
It is generally considered unwise to give a child_______ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
Kunar can take his car apart and put it back together again. I certainly wish he_____ me how.
| A．teaches | B．will teach | C．has taught | D．would teach |
If you get_______ in a foreign city, you’d better stay where you are and wait for your friends
| A．lose | B．to lose | C．losing | D．lost |
Our hometown is quite different from _______before.
| A．that is was | B．what it was | C．which it was | D．when it was |
They _______ when they heard him confess his fault.
| A．had been surprising | B．were surprising |
| C．were surprised | D．had been surprised |