______ not to miss the flight at 14:23, the manager set out for the airport in a hurry.
| A．Reminding | B．Having reminded | C．To remind | D．Reminded |
He was busy writing a story, only once in a while to smoke a cigarette.
| A．to stop | B．stopping | C．to have stopped | D．having stopped |
I like getting up very early in summer. The morning air is so good .
| A．to be breathed | B．to breathe | C．breathing | D．being breathed |
The wet weather will continue tomorrow, when a cold front to arrive.
| A．is expected | B．is expecting | C．expects | D．will be expected |
When he the door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |
My parents in Hong Kong. They were born there and have never lived anywhere else.
| A．live | B．lived | C．were living | D．will live |