The old woman had a letter from her son in the army_____ to her.
| A．read | B．write | C．written | D．received |
In the office I never seem to have time until after 5:30 pm, _____ many people have gone home.
| A．that | B．which |
| C．whose time | D．by which time |
All of the flowers now raised here have developed from those _______ in the forest.
| A．once they grew | B．they grew once |
| C．they once grew | D．once grew |
When they went into the shop and asked to look at the engagement rings, the girl brought out a cheaper one, _______ she had arranged with James.
| A．the which was what | B．what was that |
| C．which was what | D．that was that |
The famous basketballer, _______ tried to make a comeback, attracted a lot of attention.
| A．where | B．when |
| C．which | D．who |
I saw some trees the leaves of _____ were black with disease.
| A．that | B．which |
| C．it | D．what |