______ time, he’ll make a first-class tennis player.
| A．Having given | B．To give |
| C．Giving | D．Given |
This is the factory ____ we worked a year ago.
| A．where | B．that | C．which | D．on which |
Nearby were two canoes ____ they had come to the island.
| A．which | B．in which | C．that | D．/ |
Jack is pleased with ____ you have given him and all ____ you have told him.
| A．that, what | B．what, that | C．which, what | D．that, which |
Do you work near the building ____ colour is yellow?
| A．that | B．which | C．its | D．whose |
In the dark street, there wasn’t a single person ____ she could turn for help.
| A．whom | B．who | C．to whom | D．form whom |