Question

Some policemen were sent there to ________ the villagers _________ down the trees.

A．keep; cutting

B．prevent; cutting

C．prevent; to cut

D．stop; to cut

Answer 1

B

考查短语：prevent/ stop sb /sth form doing sth ，阻止某人某物做某事，form 可以省略，keep sb /sth form doing sth 也是阻止某人某物做某事，但form 不能省略。所以选B。