The meeting ________ over, all of them left the room, ________ to lock the door.[ ]

We will have a picnic ________ it doesn’t rain tomorrow.

do you think of the lecture–____but interesting, but I’ve managed to survive it

idn’t get to the airport on time,______she missed the plane.

Robert is indeed a wise man.-Oh, yes. How I have regretted ________ his advice![ ]