Don’t blame the worker. He just carried out the order______.
| A．as told | B．as are told | C．as telling | D．as they told |
Crops such as peas or soybeans put important minerals back into the soil, ______ it ready for crops that need fertile soil.
| A．makes | B．to make | C．made | D．making |
You may find it _______ that Charlie was taught to sing as soon as he could speak.
| A．astonishing | B．astonished | C．to be astonished | D．to be astonishing |
Since then, finding ways to grow more peanuts ______ his life goal.
| A．has been | B．were | C．was | D．have been |
______ with new scientific farming methods, they have been able to use less farmland thanin the past.
| A．Equipped | B．Having equipped |
| C．To be equipped | D．Equipping |
Only after I read the book _______ why she devoted all her life to medical work for
Chinese women and children.
| A．I understood | B．had I understood |
| C．did I understand | D．I had understood |