what many people might assume, evidence shows that sharks seldom attack humans.
| A．Thanks to | B．Due to |
| C．According to | D．Contrary to |
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 |
---John and Tom, you two clean the classroom today, _____?
---But we cleaned it yesterday.
| A．do you | B．will you | C．didn’t you | D．don’t you |
Pleasant as they made it ______ in Jiuzhaogou, we felt tired after the long journey.
| A．to travel | B．travel | C．travelled | D．travelling |