海豹不是鱼类的理由是:①体表无鳞片 ②不用鳃呼吸而用肺呼吸 ③体内有脊柱 ④能在水中游泳
﹣I tried many ways to solve the problem, but of them worked.
﹣Never give up. You' ll surely make it.( )
A.allB.noneC.neither
Tony is the best student in the class because he works than the others.( )
A.hardB.harderC.hardest
﹣Must I hand in the survey on the use of bicycle﹣sharing right now?
﹣No, you .( )
A.needn'tB.can'tC.shouldn't
﹣Do you enjoy Chinese Folk Songs?
﹣Yes, the folk songs nice.( )
A.soundB.smellC.look
I will give a T﹣shirt my brother as a birthday present.( )
A.byB.toC.from