No bread eaten by man is so sweet as ________ earned by his own labor.
| A．one | B．those | C．it | D．that |
Those brave men died, but their spirits ___.
| A．left | B．stayed | C．kept on | D．remained |
He is one of the boys __ on time.
| A．who is | B．who were | C．who are | D．that is |
This bridge is __ for heavy trucks to pas through.
| A．very strong | B．too strong | C．strong enough | D．so strong |
“You are not a new member, are you? ” “___. I joined only yesterday.”
| A．No, I am not | B．Yes, I’m not | C．No, I’m | D．Yes, I am |
After a few years of hard work, they succeeded __ a way out.
| A．in finding | B．in looking for | C．to find | D．to look for |