we saw the ground covered with snow that morning.为什么用covered

we saw the ground covered with snow that morning.为什么用covered i saw the ground fell away and down to the I saw him playing football on the ground just nowplaying on the ground 是谓语？ She saw a bag on the ground 保持句意On the ground a bag______her________. Suddenly he saw a watch on the ground 改句子Suddenly he saw a watch on the ground 保持原意.Suddenly a watch on the ground ___his ___. We play in the play ground ()The police____the suspect with them to the police station A took B brought C take D bring()We all_____on the ground carefully for any clues A saw B watched Clooked Dlistened()Detective Jones_____the girl here before he_____homeAtook;went B brought; We are excited for Kineticsware company to hit the ground runninghit the ground running什么意思 On the Tuesday ,I saw a wallet on the ground哪里错了 Frank saw him drop on to the ground at the other side. We saw the pupils are playing football. He saw something on the ground and __________.A.picked them upB.picked it up On his way home,mt brother saw a big l____on the ground i saw a pocket on the ground ,and i picked up it改错题 I saw a purse____[lie] on the ground on my way home . She saw a pen on the ground and____?A ahead B befor C after D ago I saw a stage built about a foot and a half above the ground. He_______-(saw,sees,seeing)a little dog _______(lied,lying,lies)on the ground.