The sea turtle’s natural habitat has been considerably reduced.

A. suddenly

B. generally

C. slightly

D. greatly

Anderson left the table，remarking that he had some work to do.

A. doubting

B. thinking

C. saying

D. knowing

I got a note from Moira urging me to get in touch.

A. instructing

B. pushing.

C. notifying

D. inviting

He asserted that nuclear power was a safe and non-polluting energy source.

A. maintained

B. recommended

C. considered

D. acknowledged

The decision to invade provoked storms of protest.

A. caused

B. ignored

C. organized

D. received