That part of the city has long been____for its str

____in an atmosphere of rigid New England Puritanism, he demonstrated an interest in theology at a young age.

 A、Raise her

 B、Raised

 C、Raising

 D、She was raised

选D不对，应该选什么？

One of the puzzles still mystifying biologists is____what to become in an embryo.

 A、how cells know

 B、how do cells know

 C、how know cells

 D、how cells knowing

选B不对，应该选什么？

Perhaps the oldest theories of the business cycle are____that link their cause to fluctuations of the harvest.

 A、whatever

 B、everything

 C、those

 D、them

选B不对，应该选什么？

Now a paper in Science argues that organic chemicals in the rock come mostly from____on earth rather than bacteria on Mars.

 A、configuration

 B、constitution

 C、condemnation

 D、contamination

已经确定AB都不对，单选题。