Not having worked out the problem, ______ leave the office.
| A．so he was not allowed to | B．and he didn’t want to |
| C．the teacher couldn’t make him | D．he couldn’t free himself to |
The murderer was reported ______ by the court for his crime.
| A．putting to death | B．to have been put to death |
| C．being sentenced to death | D．to have sentenced to death |
Tom, I am very happy _____ you yesterday. I do wish I will have another chance to meet you.
| A．to treat | B．to be treating |
| C．to have treated | D．to be treated |
I have a busy life with no time to sit around _____ sorry for myself.
| A．feel | B．to feel |
| C．feeling | D．and felt |
They could have attended the awarding ceremony，but their flight due to the bad weather．
| A．was delayed | B．had been delayed |
| C．has delayed | D．was delaying |
—My dear, you ______ things about. Look, what a mess in the room!
—Sorry, Mom.
| A．have always thrown | B．always throw |
| C．are always throwing | D．always threw |