根据句意及首字母提示完成单词。
She wants to be a ________(dance)when she grows up．
After three ________(星期)holiday, we came back to work．
How many ________(country)are there in the world , do you know?
根据句意和提示写出单词，完成句子。
There are many books on those ________(shelf)．
We should face the problem and solve it instead of ________(wait)for others' help．
They moved away from the village for ________(safe)．
He ________(nod)to me in greeting when I entered the room．
The boys walked ________(pass)my house．
－Look, whose ________(Walkman)are these?
－Perhaps they are the twins．
He'd like to buy a present for his father's ________(forty)birthday．