34. Scientists generally agree that Earth’s climate will warm up over the next 50 to 100 years_________ it has warmed in the 20,000 years since Ice Age.
| A．as long as | B．as much as | C．as soon as | D．as well as |
________ the program，they have to stay there for another two weeks.
| A．Not completing | B．Not completed |
| C．Not having completed | D．Having not completed |
The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
The children went home from the grammar school，their lessons ________ for the day.
| A．finishing | B．finished |
| C．had finished | D．were finished |
—Come on，please give me some ideas about the project.
—Sorry.With so much work ________ my mind，I almost break down.
| A．filled | B．filling | C．to fill | D．being filled |
John received an invitation to dinner，and with his work ________，he gladly accepted it.
| A．finished | B．finishing |
| C．having finished | D．was finished |