It ___ have been Tom that parked the car here , as he is the only one with a car.
A may B can C must D should
She reached the top of the hill and stopped ______ on a rock by the side of the path.
| A．to have rested | B．resting | C．to rest | D．rest |
The result of the experiment was very good, _____ we hadn’t expected
| A．when | B．that | C．which | D．what |
The heavy snow stopped the farmers ______ in the fields.
| A．working | B．work | C．to work | D．works |
He was named Robert _____ his father by mother.
| A．to | B．upon | C．after | D．under |
Tom kept quiet about the accident ____ lose his job.
| A．so not as to | B．so as not to |
| C．so as to not | D．not so as to |