A.wasn't he
B.didn't he
C.did he
D.had he
A.He cares
B.thus
C.he hopes they can live
D.没有错误
A.侧方咬合时工作侧以成组的牙咬合接触
B.组牙功能he时后牙接触,前牙不接触
C.组牙功能he接触面积大于尖牙保护he
D.组牙功能he的he力分散,避免了个别牙负担过重
E.组牙功能he的非工作侧不接触
A.hold up
B.hold on
C.keep on
D.keep up
A.accumulate
B.absorb
C.acknowledge
D.acquire