These are black flowers?怎么改成单数句

Are these pants black?(改为肯定句) these are my black shorts. 同义句 mom's,my,these,black,are.(造句) what are these in a black bag?还是what are there in a black bag? are,black,how,these,much,socks 连词连句 how mvch are these black pants?的同义句 翻译下列英文 How much are these black pants? Sam's,these,are,black,shorts连词成句 these white and black TVs are theirs改同义句 waht are these in a black bag?怎么翻译啊? mon much are these black pants?的同义句. These are black flowers?怎么改成单数句 These are black birds.改为同义句 These are read apples.改为一般疑问句 these shoes are black（black为划线部分）对划线部分进行提问 These black pants are _ten_dollers____（对画线部分提问）what ____ _____ _____ of these black pants These are long black socks 改为同义句 these（ ）（ ）（ ）（ ） these are long black socks 改为同义句 these（ ）（ ） （ ） （ ） .These are his b______.They are black.He like to wear them.