Why not upstairs and have a look

I ______ my university professor in the supermarket near my house, which was out of my expectation.

Have you received Jack’s plan? —Yes, but I don’t think his plan is _____．

27. As five children under 10 got drowned in a southern province, it is not socially _____ for parents to leave children unattended at that age.

We couldn’t have picked ______ day for the picnic — it rained nonstop.