We are asked to write ______ article every two weeks.
There is something wrong with her ________ . She cannot see clearly.
— Be careful! There is _______ dog lying at the gate. — Thanks a lot.
---What did Jack ask you just now?--He wanted to know how long ________ when I reached the cinema.
---I often chat with my friends on the Internet.---You are so smart! Will you please tell me ________?
--- The woman ______ is reading the book over there is a volunteer?---Yes. She is very kind. She’d like to ______sick kids in hospital.