Mr. Smith insists on doing some running even __ a cold morning.
| A．in | B．on | C．of | D．at |
— The professor gave a really good speech.
— I suggest you ______ him some specific questions about his work experience.
| A．have asked | B．will ask | C．asked | D．ask |
The agent promised to keep the family members fully ______ of any developments.
| A．inform | B．Informing |
| C．informed | D．being informed |
Jack ________ have fought with the policeman.
—Yes. If one ________ ask for trouble, it can’t be helped.
| A．would; will | B．must; may |
| C．should; must | D．need; dare |
It was unusual that such close neighbors ______ not know one another.
| A．could | B．would | C．must | D．should |
Music should be taught routinely in schools because of the benefits _____ can have on the development of the brains of young children.
| A．which | B．that |
| C．one | D．it |