72. At the beginning, I had some difficulty with my English, and my teacher pulled me ______.
The child was _______ after supper.
Poor _____ it may be, there is no place like home, _____ you may go.
_____ hard she tries, she can hardly avoid making mistakes in her homework.
When you read the book, you' d better make a mark _____ you have any questions.
Helen listened carefully _____ she might discover exactly what she needed.