This medicine has（)my toothache.

This kind of medicine has the power to _______pois

This medicine is （).A. efficientB. effectiveC. efficiencyD. effect

My father has worked in this school ___ he graduated from college.A、sinceB、forC、after

My father has been on the salary schedule in this factory for nearly 20 years.A.pay packe

What is the main idea of this passage？A．The progress of medicine has improved the health o

Johnnason: This has been very interesting. Ill discuss your plan with my boss. Cathy: ____