1. Somebody has to pick the visitors up from the airport ( up)

-> The visitors........have to be picked up.....from the airport

2. Why don't they tell me about these changes earlier ? (should)

-> I.......should be told.......about these changes earlier

3. Luckily it wasn't neccessary for Jim to take the exam again (need)

-> Luckily Jim........didn't need to re-take...........the exam

4. In the end I had no choice but to get a lift with a colleague ( could)

-> In the end all....I could do was to ............get a lift with a colleague

-> By law, seat- belts......have to be worn by.......all rear-seat passengers

6. It may seem strange but I like stake cake! ( as )

-> Strange......as it may seem.............I like stake cake