THEY WILL SHOW THE TIME MACHINE WHEN THEY FINISH IT.A. THE TIME MAC...

4. They will show the time machine when they finish it.A. The time machine will be shown when it is finished.B. The time machine has been shown when it was finished.C. The time machine will be show when it is finished.D. The time machine was shown when it was finished.V. You are on a vacation in Da Lat, choose the best sentence to complete the postcard. (2pts)Dear Minh,