．It rained heavily. And it was very kind of him to his umbrella with me .
| A．share | B．take | C．bring | D．use |
__________ in the restaurant for half an hour, I suddenly realized I had left my wallet at home.
| A．To wait | B．Having waited | C．Having been waited | D．To have waited |
The young man, __________ abroad for two years, decided to go back to his motherland.
| A．to work | B．working | C．having worked | D．to have worked |
Tom returned from the manager's office, __________ me that the boss wanted to fire me.
| A．having told | B．tells | C．to tell | D．telling |
__________ the task, they had to stay in the lab for another two hours.
| A．Not completing | B．Not completed |
| C．Not having completed | D．Having not completed |
The storm left, __________ a lot of damage to the city.
| A．cause | B．caused | C．had caused | D．having caused |