About 70 percent of the population ______ in that country in the mountains and only 30 percent of its land ______ farmland. A: lives; are B: B．live; are C: live; is D: D．lives; is

We're always looking for ways to ______ A: and rich their lives B: an rich their lives C: enrich their lives D: and reach their lives

We have a high regard for Prof. Joseph because he always ____ his principles. A: lives on B: lives up to C: lives through D: lives with

One weakness of this study may be ______. A: h overestimates the level of sociability in the diarists' lives B: It underestimates the level of sociability in the diarists' lives C: It misinterprets the level of sociability in the diarists' lives D: It underrates the level of sociability in the diarists' lives

The frog lives in water, but sometimes lives on the __. A: sky B: space C: land D: tree

____ is what doctors should do. A: Protecting lives B: Saving lives

（）your penfriend（）in Beijing. A: Do; live B: Do; lives C: Does; live D: Does; lives

I want to see Mrs. Wang, but I don't know ______. A: she lives where B: she where lives C: where she lives D: where does she live

______lives with Mrs. Brown. She lives alone. A: Someone B: No one C: Everyone

__________ lives with Mrs. Black. She lives alone. A: Somebody B: Nobody C: Everybody