You’ve ________ the most important word in this sentence.
| A．left off | B．left out | C．left behind | D．left over |
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 |
Is this school ____ we visited three years ago?
| A．the one | B．which | C．that | D．where |
Is this the school ____ we visited three years ago?
| A．the one | B．where | C．in which | D．/ |