The retired workers were invited to the company， ________surprise，changes had been so great over the years.

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

Don’t you know you are teaching the fish to swimThey are all grow-ups.

My parents always tell me ____ others late at night .–They’re right. It’s not polite .

Did you go to London for vacation? — I _____ to go, but I got sick at the last minutes