Ⅰ.单句语法填空
1．We don't need to update the database weekly, monthly, or even annually(annual)．
2．The police are hunting (hunt) for the attacker at present.
3．Many families on low incomes (income) will be unable to afford to buy their own home.
4．In the history of education, humans made a special effort to pass down its valuable traditions.
5．Fellow villagers work around him, earning (earn) about $2 a day.
6．Lily promised that she would tell (tell) him.
7．He said he would be (be) here at eight o'clock tonight.
8．I was about to leave(leave) when it began to rain.
9．He said that he would take (take) care of the baby from then on.
