. —Have you thought of a topic for your speech yet? —No, I______a lot about it, but I haven’t decided.
You____________ this morning if you really wanted to see it yourself.
Some of the _______suspects refused to answer and kept their mouths shut.
I told you that you shouldn't waste your time playing the computer games,_____________?
If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
With a lot of difficult problems____________, the manager felt worried all the time.