. No one really knows exactly when the first people arrived in_____we now know as California.
| A．that | B．which | C．what | D．where |
I wouldn’t eat potatoes unless I’m really starving, in _______ case you eat almost anything.
| A．whose | B．one | C．what | D．which |
One of the consequences of our planet’s being warming up is a(n) ______ in the number of natural disasters.
| A．account | B．reason | C．increase | D．occurrence |
World Expo 2010 Shanghai China, a grand-scale global event, has ______ the significant theme “Better City, Better Life.”
| A．abandoned | B．adopted | C．advocated | D．adapted |
--- Do you like this part of the town, the so-called desired area?
---On the contrary, it’s the ______ area that I want to visit in town.
| A．best | B．first | C．last | D．least |
We got lost in the forest and decided to remain ________ we were and waited for rescue.
| A．where | B．what | C．how | D．who |