31. -----What do you suppose made her worried?
-----_____________ a gold ring.
| A．Because of losing | B．Losing | C．Lose | D．Lost |
Mrs. Black doesnt believe that her son is able to design a digital camera, ______?
| A．does she | B．isnt he |
| C．doesnt she | D．is he |
In the dream Peter saw himself ____ by a fierce wolf, and he woke suddenly with a start.
| A．chased | B．to be chased |
| C．chasing | D．having been chased |
My mother insisted on sending me to the hospital, _______I received good medical treatment.
| A．which | B．as | C．where | D．what |
When ______ about the possibility that Justin was taken by aliens, Detective Sam Peterson said that there was no hard evidence about this.
| A．asking | B．was asked |
| C．being asked | D．asked |
The father along with his children ______ going swimming.
| A．are like | B．is like | C．like | D．likes |