She changed so much that I could hardly _______ her when we met again after a separation of 20 years.
| A．recognize | B．know | C．remember | D．tell |
The new suspension bridge __________ by the end of last month.
| A．has been designed | B．had been designed |
| C．was designed | D．would be designed |
The fire was finally __________ after the building had __________ for two hours.
| A．put off; caught fire | B．put away; been on fire |
| C．put out; been on fire | D．put down; caught fire |
The patient was warned __________ oily food after the operation.
| A．to eat not | B．eating not |
| C．not to eat | D．not eating |
Hearing the news, he ran out of the room in a hurry，__________ the door __________.
| A．to leave; opening | B．left; opened |
| C．leaving; opened | D．leaving; open |
The drug did not __________ his health. In fact, it seemed to have no __________ at all.
| A．effect; effect | B．effect; affect |
| C．affect; effect | D．affect; affect |