Gary was behaving as if nothing _______.
| A．happened | B．has happened |
| C．had happened | D．will happen |
Those _________may leavetheclassroomnow.
| A．whohasfinished | B．whohavefinished |
| C．havefinished | D．whomhavefinished |
When they saw the police car, the attackers turned and ________ .
| A．flee | B．fleed | C．fled | D．slipped |
The classroom wants __________.
| A．clean | B．cleaned | C．to clean | D．cleaning |
I’m going shopping. Do you have anything ________ ?
| A．to be picked up | B．to pick up | C．picked up | D．pick up |
As he _______ , he was surprised to see that the man had disappeared.
| A．turned against | B．turned in | C．turned around | D．turned up |