Only when your identity has been checked __________.
We’ll ____ three groups to carry out the experiment in chemistry.
He fell from the bike and broke his leg.____, he will have to be away from school for two or three months.
When the plane ____, all the passengers on board should turn off their mobile phones.
--- Do you regret paying ten dollars for the book?---No.I would rather pay ___ that price.
--- The film will begin at seven o’clock.We’ll meet at half past six.Is that OK?---_____.I’ll pick you up at half past six in your home.