The stamps were __________ according to their styles and features.
| A．found out | B．turned out | C．put out | D．sorted out |
The new tax would force companies to __________energy-saving measures.
| A．adapt | B．adopt | C．adjust | D．address |
But for water，it ______ possible to live in the desert．
| A．is | B．was | C．were | D．wouldn't be |
I like __________in the early morning when the air is fresh and I can take a walk around the garden.
| A．that | B．it | C．which | D．what |
Would you _________ her novels as serious literature or mere entertainment?
| A．classify | B．distinguish | C．mistake | D．remark |
When he joined them in the work, he was disappointed at there _______ so little to do.
| A．being | B．were | C．having | D．had |