【推荐1】30．一Cydia，what did you hear our teacher said just now?
一Every boy and every girl as well as the teacher who___to lead the group____asked to be at the school gate before 6：30 in the morning

A．is；is

B．are；are

C．are；is

D．is；are

【推荐1】 All the scientific evidence ______ that increasing use of chemicals in farming______ damaging our health.

A．show; are	B．shows; are
C．show; is	D．shows; is

【推荐3】Half of the class        done most of the work. The left        rather difficult.

A．has; is

B．have; is

C．have; are