These foreign teachers say they will go ________ they are needed to teach English after they arrive in China.
| A．to place | B．to where | C．wherever | D．to matter where |
Is this the reason _______ at the meeting for his carelessness in his work？
| A．he explained | B．what he explained | C．how he explained | D．why he explained |
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 |
Our company will move to a tall building _______ we worked two years ago.
| A．where | B．when | C．that | D．which |
Our company will move to a tall building _______ has just been complete.
| A．which | B．when | C．how | D．where |