She was working in the room suddenly she heard a boy crying and ____ out as quickly as she could to see what was happening.
| A．went | B．going | C．go | D．had gone |
The monument was built in honor of the explorer who was believed _____ the river.
| A．to have discovered | B．to have been discovered |
| C．to discover | D．having been discovered |
The monument was built in honor of the explorer who was believed _____ the river.
| A．to have discovered | B．to have been discovered |
| C．to discover | D．having been discovered |
You will see this product made in this factory _____ wherever you go.
| A．to be advertised | B．advertised | C．advertise | D．advertising |
To answer correctly is more important than _____.
| A．that you finish quickly | B．finishing quickly | C．to finish quickly | D．finish quickly |
_____ the diamond, he had to look for a place to hide it.
| A．Having stolen | B．Having been stolen | C．Stolen | D．Stealing |