—Would you mind giving your advice on how to improve our business management?
—If you make ______ most of the equipment, there will be ______ rise in production．
| A．不填；不填 | B．the；a | C．不填；a | D．the；不填 |
He made clear to his workmates that he would leave the company.
| A．it | B．that | C．them | D．this |
According to recent report, one of the rare animals, crocodile, will be in anger of dying out in 2020s
| A．a, / | B．/, the | C．the, / | D．the, the |
This young tree could not have been damaged ______accident; I believe it was done _____ purpose.
| A．by; on | B．for; with | C．by; with | D．for; on |
Their work other writers ever since.
| A．have influenced | B．has influenced | C．influenced | D．influences |
Barcelona is situated the northeast coast, about five hundred kilometers east of the Spanish capital, Madrid.
| A．off | B．in | C．on | D．to |