----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It's very difficult after all.
A must have B could have C should have D might have
Thecompositiongivenbytheteacher___,AlicewenttowatchTV.
| A．beingdonewell | B．hasbeendonewell |
| C．havingdonewell | D．donewell |
Theweather ___ fine,theydecidedtogooutforawalk.
| A．were | B．was | C．is | D．being |
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
| A．to do | B．to have done | C．to be doing | D．to have been doing |
You will see this product made in this factory _____ wherever you go.
| A．to be advertised | B．advertised | C．advertise | D．advertising |
_____ the big snake, the little girl stood under the tree _____ to death.
| A．Seeing; frightened | B．Seeing; frightening |
| C．Seen; frighten | D．To see; frightening |