I don’t have time for a drink now, but I’ll ________ you later.
| A．take part in | B．attend | C．join | D．join in |
This problem may _______ more serious ones if left unsolved.
| A．come across | B．refer to | C．carry on | D．lead to |
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 |