.---- You look upset , Jane,______?---- My pet dog is lost.A, What’s up B What’s for C .What are you up to D. So what
__________ more time, they will do a better job.
__________ with such a difficult problem, he decided to ask for some good advice from his colleagues.
The leader came into the room, __________ by his two assistants.
__________ by the heavy rain, the area was flooded seriously.
The how-to book can be of help to __________ wants to do the job.