Is this the research center _____you visited the lab last year ?
| A． which | B． the one | C．that | D．where |
One of the requirements for a fire is that the material ________to its burning temperature.
| A．is heated |
| B．be heated |
| C．would be heated |
| D．do heat |
An experienced doctor usually judges a patient’s illness according to the various________.
| A．signs |
| B．symptoms |
| C．signals |
| D．marks |
My demand is that the information referred to in my report ________ to Mr.Brown without delay.
| A．to be emailed |
| B．emailed |
| C．be emailed |
| D．being emailed |
He was ________ that she didn’t tell his parents about the accident.
| A．grateful |
| B．curious |
| C．interested |
| D．excited |
The old lady had a son and two daughters，________treated her well，which made her very sad.
| A．no one of whom |
| B．neither of them |
| C．none of whom |
| D．none of them |