The monument was built in honor of the explorer who was believed ________ the big river.
| A．to have discovered | B．to have been discovered |
| C．to discover | D．having been discovered |
Unless extra money_____, the theatre will close.
| A．was found | B．finds |
| C．is found | D．found |
The producer comes regularly to collect the cameras _____ to our shop for quality problems.
| A．returning | B．returned |
| C．to return | D．to be returned |
He is full of _____ about his sick mother.
| A．concern | B．blame |
| C．delight | D．comment |
It’s quite hot today. Do you feel like _____ for a swim?
| A．to go | B．going |
| C．go | D．having gone |
-- Hi, let’s go skating.
--- Sorry, I’m busy right now. I_____ in an application form for a new job.
| A．fill | B．have filled |
| C．am filling | D．will fill |