He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
If you were to do it,the result______different.
| A．will be | B．would be | C．should be | D．would have been |
All the doctors in the hospital insisted that he________badly wounded and that he______at once.
| A．should be,be operated on | B．were, must be operated on |
| C．was,should be operated | D．was,be operated on |
.I wish I________a chance to talk with you about my writing before you left yesterday.
| A．have | B．had | C．had had | D．will have |
Not only_______polluted but________crowded.
| A．was the city,were the streets | B．the city was,were the streets |
| C．was the city,the streets were | D．the city was,the streets were |
I like_____ in the autumn when the weather is clear and bright.
| A．this | B．that | C．it | D．one |