---- Is _____ manager and _____ engineer to attend the meeting this afternoon?
---- I have no idea.
| A．a; a | B．the; / | C．the; the | D．a; the |
To our great joy, his health has improved ______.
| A．a good many | B．a great deal | C．a large amount | D．a large quantity |
She likes to have everything in order so that she can ______ them when necessary.
| A．have a hand in | B．place hands on | C．put her hands on | D．lay her hand on |
Only when you ______ what you have learned to practice ______ say you have made it.
| A．stick; can you | B．apply; can you | C．use; you can | D．appeal; can you |
After the meeting, she invited us to dinner at her home and treated us ______ delicious food.
| A．with | B．for | C．of | D．to |
Knowing how to give first aid really ______ in case of emergency. It can save lives.
| A．makes difference | B．has a difference | C．makes a difference | D．makes the difference |