He said he ___(stay)here for another two days.The doctor said Jim must__(operate)on at once''____the bridge___(repair)yet?''''yes the workers ___already____(repair)it''We are in Grade one this year,so we____(teach)physice next year''Where were you last might?''''I__(ask)to help Tom at homeHis father usually ___(take)a walk after supper before请解释一下第四题和第五题
问题描述：
He said he ___(stay)here for another two days.
The doctor said Jim must__(operate)on at once
''____the bridge___(repair)yet?''''yes the workers ___already____(repair)it''
We are in Grade one this year,so we____(teach)physice next year
''Where were you last might?''''I__(ask)to help Tom at home
His father usually ___(take)a walk after supper before
请解释一下第四题和第五题
答