He found _______ difficult to study maths.
A、itA
暂无解析
TheNetherlandsistheonlycountryinEuropewhichpermitseuthanasia,________itisnottechnicallylegalthere.
Chinaisamountainouscountry.Hills,mountains,andplateauscover_______ofthetotalarea.
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
WhichofthefollowingcountryisnotamemberofOECD?
NeitherEnglishnorChinese________difficulttolearn.
