用方框中所给单词的适当形式填空。每词限用一次。
forty polite
lie introduce help oneself to
(1)
Before Reagan became the president
of America, he was an actor.
(2)
"Boys and girls, some fruit,"
the old woman said to us kindly.
(3)
The little boy's face turns red and feels
shy because he has to his mother.
(4)
Don't shout! Speak to your
parents!
(5)
The passage is about the to this
new kind of machine.
答案: 【1】fortieth
【1】help yourselves to
【1】lied
【1】politely
【1】introduction