________ no need for everybody to discuss the problem again since it has already been solved.
| A．It has | B．There has | C．We have | D．There is |
Before the sales start, I make a list of ______my kids will need for the coming season.
| A．why | B．which | C．how | D．what |
Stephen Hawking believes that the earth is unlikely to be the only planet______ life has developed gradually.
| A．that | B．where | C．which | D．whose |
The lawyer listened with full attention, ______to miss any point.
| A．not trying | B．to try not | C．trying not | D．not to try |
That is the only way we can imagine______ the overuse of water in students’ bathroom.
| A．to reduce | B．reducing | C．reduced | D．reduce |
—Peter, where did you guys go for the summer vacation?
—We ______busy with our work for months, so we went to the beach to relax ourselves.
| A．were | B．have been | C．had been | D．will be busy |