—How did your mathematics exam go？
—I thought I ，but in fact I fell behind in the class.
| A．should have been the top 10 | B．could have been the top 10 |
| C．may have been the top 10 | D．need have been the top 10 |
We all knew from the very _____ that the plan would fail.
| A．outcome | B．outset | C．income | D．output |
He was afraid that the branch might bend over and break, and he would be sent _____ to the ground.
| A．crashing | B．throwing | C．rushing | D．dropping |
The number of tickets _____ will be determined by the size of the stadium.
| A．adaptable | B．acceptable | C．advisable | D．available |
They always kept on good _____ with their next-door neighbors for the children's sake.
| A．friendship | B．relations | C．intentions | D．terms |
According to the psychoanalyst Sigmund Freud, wisdom comes from the _____ of maturity.
| A．fulfillment | B．achievement | C．establishment | D．accomplishment |