More strict measures should betaken____more people are infected with the virus of H1N1 flu.

They are discussinghow to ____a plan to advertise their new product in the office.

Could you tell me ______ I must find him. –Sorry. I have no idea. But he was here just now.

You ______ it up during the meeting——I_______ know it was so sensitive anissue

We are a little worried because we _____the ground as a leader in the field of IT with the others speeding updevelopment．