Allofusknow,color-blindpeopleoftenfinditdifficultto__betweenblueandgreen.
A、separateB
暂无解析
______hardworkitis!
As____clearfromhismanners,heisateacher.
Mrs.Whitehas_____thatsheisnotabletogetajob.
Idon’thaveas______moneyasbefore,butmylifeismore______.
Nowhereinnatureisaluminumfoundfree,owingtoitsalways____withotherelements,mostcommonlywithoxygen.
