求初中英语,化学,生物,物理各50道综合题。答:解释:B.此题的含义是比以前沉了,所以包含着比较级.而heavy-heavier-heaviest.13.---Tony,___ you ___ smoking? ---Yes,Drinking tea is my favorite now.A.will,stop B.did,stop C.would,stop D.have,stopped解释:D.此题考察的是现在完成时,它的构成是have(has)+done.14.--- Ruth,I want to ...