________ your teacher __________ — She is friendly and helpful.

The situation put us at a serious________，which made us very worried.

Nowand fruit rich invitamin C should never be eaten at the same meal.

______cruel manwas hurting the children, there were no adults around who were able tostop______hurting.

Who will go to the airport to meet Mary—I will. I ________ her several times. I can find her easily.