—I can’t find my mobile phone anywhere. —You _____ have lost it while eating out.

--- Shall I take your iPad to the shop to be repaired? --- Thanks, you _______. There is nothing wrong now.

All the cars ________ stop when the traffic light is red.

The police still haven’t found the lost child, but they’re doing all they             .

Mike ______have stolen the money from the bank,______he appeared to be rich overnight.