Did you go swimming with your brother last Sunday— Yes. We enjoyed .

All the volunteers（志愿者） were very tired， but of them took a rest.—They were busy looking for the missing people.

You can help your body by drinking water when you’re thirsty _____drinking extra water when it’s warm out[ ]

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

My teachers often encourage me ______ more friends but I find it difficult.—Your teachers’ idea is right. The more friends you make, ______ you will be.