—Hi, Johnson, any idea where Susan is ?
—It’s class time, so she________in the classroom now.
| A．can be | B．must have been | C．might have been | D．must be |
—— Have you considered _____ your job as a teacher?
——Yes. I like the job because a teacher is often considered _____ a gardener.
| A．to change; to be | B．to change; being | C．changing; being | D．changing; to be |
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 |