Time to us all is limited. So in the days _______, we must work out a practical plan for our study and keep to it strictly.
—The train is due to leave at 7:50.—________ we fail to arrive there in time?—I'm afraid you'd better go in a hurry.
________ nobody wouldn't go to the spot,he went without a second thought.
With the development of science and ________,Internet will play a more and more important part in our life.
The lab ________ construction will be completed next month.
Please remember to put everything ________ before leaving the room.