Mary spends two hours ______ her homework every day.
---Look, the man looks like Green. ---It _______ be him, for he _______ to America.
— Lily wants to know if we ________ a picnic this weekend. — Yes. If it ________, we will stay at home to play cards instead.
My friend Amy _______ text messages to me on the mobile phone, but now she _______ e-mails on QQ.
I have so much homework to do that I don’t know ________.
I can’t ______ it in English because I can’t _____ English. Can I ______ you the story in Chinese?