—I can’t find Mr. Smith. Where did you meet him this morning?
—It was in the hall ____ our products were showed..
| A．that | B．which | C．the one | D．where |
After dry days, everyone appreciates ______ when there is a timely rain.
| A．that | B．one | C．this | D．it |
—What about the picnic plan?
—Not ________ yet. It’s being discussed.
| A．decided | B．decide | C．deciding | D．to be decided |
Look at the new computers, of ______ none are produced abroad.
| A．them | B．whom | C．which | D．these |
Theory is based on practice and ________ serves practice.
| A．in turn | B．by and by |
| C．by chance | D．in this case |
— How many of them do you want to act in the play?
—_______ , and still a large number needed!
| A．All | B．Both | C．Neither | D．None |