_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
| A．In spite of | B．On account of |
| C．Regardless of | D．Instead of |
---Why are you looking so disappointed , Ken?
---The outdoor concert _____ for tomorrow will be put off.
| A．planned | B．planning | C．to plan | D．to be planned |
Many people thought little of me, but I did what _____.
| A．I thought I was right | B．I thought it was right |
| C．I thought was right | D．I was thought right |
We are still at the airport. If it weren’t for the delayed flight, we _____ the concert right now.
| A．must enjoy | B．can be enjoying |
| C．would be enjoying | D．should have enjoyed |
Be careful when you cross this very busy street. If not, you may _____ run over by a car.
| A．have | B．get | C．become | D．turn |
My teacher _____ me the key to the classroom but I’m afraid I _____ it.
| A．had given, lost | B．has given, lost | C．gave, have lost | D．has given, have lost |