This bird ____ its beak ____ a weapon.

A.engages; in B. employs; in C. engages; as D. employs; as

____ twice, the postman refused to deliver our letters unless we chained our dog.

A.Being bitten B. Bitten C. Having bitten 　　　　 D. To be bitten

The fastest runner ____ and the others followed.

A.kept pace B. set the pace C. paced D. walked

What do you mean ____? I can't know what to make of your behavior.

A.at all                        B. not at all                  C. at not all                 D. in all

Everyone in the class is expected to ____ the discussion.

A.share B. join C. contribute to 　　　　 D. participate in

Eating too much fat can ____ heart disease and cause high blood pressure.

A.result from                      B. contribute to            C. attend to                 D. devote to

Martin is said to ____ the murder.

A.be related B. relate to C. be relating D. be related to

More and more people are signing up for Yoga classes nowadays, ____ advantage of the health and relaxation benefits.

A.taking B. taken C. having taken 　　　　 D. having been taken

China has got a good ____ for fighting against the flu with its careful and smooth organization.

A.reputation B. influence C. impression D. knowledge

My ____ in teaching is different from yours.

A.altitude                    B. appear                    C. approach                       D. approval