Ex1:
1. Are planted
2. Will be sent
3. Were destroyed
4. Be reused
5. Have already been sent
Ex2:
1. The room is cleaned everyday
2. A message was taken by Julie yesterday
3. The tickets will be collected by Mrs. Smith
4. Their house had been repaired before typhoon came
5. This computer has not been used for several days
6. Thanks to technology advances, some weather disasters such as hurricanes and blizzards can be predicted
Ex3:
1. Hit, had returned
2. Had left, erupted
3. Had started
4. Had spent, arrived
5. Got, didn't take
Ex4:
1. Before we took a look around the shop, we had had lunch
2. The three injured men had been taken to the hospital by some local people before the ambulance came
5☆ nhe