If you are traveling the customs are really foreign to your own, please do as the Romans do.
| A．in which | B．what |
| C．when | D．where |
Temperatures________ quite dramatically at night in mountains, so put on some warm clothes before going out.
| A．are dropped | B．drop |
| C．are being dropped | D．have dropped |
A broad smile spread_____ Jack’s face when he eventually gained a scholarship.
| A．across | B．through | C．at | D．in |
_______ your work on time, otherwise you will be in trouble.
| A．To finish | B．Finishing |
| C．Finish | D．Finished |
He _______ toward the door when suddenly his junior brother opened it unexpectedly.
| A．was walking | B．walked |
| C．had walked | D．had been walking |
— Sir, you are fined for speeding. Please sign here.
— Fined? Speeding? ______
| A．Are you all right? | B．You can’t be serious! |
| C．I’m a foreigner. | D．It doesn’t matter. |