根据句子意思，用括号中所给单词的适当形式填空，并将答案填写在答题卡标号为46—50的相应位置上。
His poor eyesight made him        (able) to see the words on the blackboard clearly.
The overseas Chinese in Yemen got        (excite) when they saw Chinese soldiers come to their help.
It’s not proper        (push) in while others are all waiting for their turn.
Without        (work) hard, no one can achieve great success in his life.
My mother is already in her       ( forty), but she is still dreaming to go to university.