Though they had not much to say, they email each other _____ .
| A．sooner or later | B．from then on | C．every now and then | D．more or less |
When and where to build the new factory yet.
| A．is not decided | B．are not decided |
| C．has not decided | D．have not decided |
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 |
Their problem today is somewhat similar to _____ they faced many years ago.
| A．that | B．which | C．that which | D．it |