A: Would you like to fly kites with me , Tom?B: I’d love to , but my mother isn’t at home, I ______ look after my little sister.
My father used to____ to work by bike, but now he is used to______ there.
She’s____a clever girl. She always gets good scores_____ exams.
---_____do you tell him about the event? ---By ____e-mail.
It’s very difficult to learn English well , but you can’t___.
—Lisa has made great progress these days.--_____ , and ______.