There is a lot of evidence ________ stress is partly responsible for disease.
| A．which | B．that | C．how | D．whose |
The subway was crowded with passengers going home from market, most of ________carrying heavy bags and baskets full of fruits and vegetables they had bought there.
| A．whom | B．them | C．who | D．which |
You can get the best result ______you carry out the experiment under the desired conditions.
| A．what if | B．even if | C．only if | D．as if |
It was reported that an agreement ____ between the two companies and that they would carry out a project together.
| A．reached | B．had been reached |
| C．was reached | D．has been reached |
Our English teacher , having explained to us how to design a project, allowed us a whole week’s preparation and then ______the class.
| A．to dismiss | B．dismissed |
| C．dismissing | D．having dismissed |
Mr White _______his racing bicycle by himself yesterday, but I’m not sure whether it is ready
| A．repaired | B．had repaired |
| C．was repairing | D．would repair |