—Is Bob still performing?
—I’m afraid not.He is said___the stage already,as he has become an official
| A．to have left |
| B．to leave |
| C．to have been left |
| D．to be left |
It’s strange that she ____have failed to see her own shortcomings.
| A．would | B．should | C．could | D．might |
His teacher worried that the student spent too much time on the computer and not enough time _______.
| A．to study | B．study | C．studied | D．studying |
The teacher talked in a very low voice_____make himself________, clearly.
| A．in order to; hear | B．so as not; hear |
| C．in order not to; heard | D．so that to; heard |
________is well known that great changes have taken place in China recently.
| A．That | B．As | C．Which | D．It |
The path______the park is lined with many trees.
| A．leading to | B．led to | C．was leading to | D．which leading to |