问题
选择题
_______he lives in a large flat and owns much money, he doesn’t seem as happy as before．
A．Before
B．Whether
C．Unless
D．While
答案
答案：D
连词辨析。A．在……以前B．是否；不论 C．除非 D．当……时候；虽然；然而。句意：虽然他住在一所大公寓里并且有很多钱，但是他好像不如以前那么幸福了。故选D。