一Jack,there is little food at home.Can you at once?一Of course,Mum.I will go now.
Helen ______ to a language school when she was seven.
She ______ very hard since she came to our school.
Even Tony’s six-year-old son asked him ______ smoking.
The schoolboy ______ a blind man cross the street yesterday.
— Can he jump high? — Yes, he ______. He is a good high jumper.