Ⅰ.单句语法填空
1.On the basis of practice,this theory was generally accepted.
2.The volunteers tried to calm the alarmed(alarm) children down.
3.I did some housework for him in exchange for three meals a day.
4.Attracted(attract) by the sweet voice,I walked into the old house.
5.His contribution(contribute) to the world was really admirable.
6.His proposal(propose) was refused by his boss,so he felt a little sad.
7.The girl does two parttime jobs aiming to pay(pay) off her school loan.
8.My mother often reminded me to mind(mind) my manners in public.
9.The incident served as a timely reminder (remind) of just how dangerous mountaineering can be.
10.No matter what happens,he will stick to his goal of entering a key university.