We only heard about the meeting yesterday,so it ______ yet.

Laura opened the door and rushed into the rain _______ I could stop her.

(2013·江西两所名校二模)The progress of the work will depend on what the weather conditions are and ________ modern the equipment is

I don’t think that your lecture_____ the audience,for they appeared quite puzzled.

Please don’t smoke here. Look at the sign. —- ________.