Choose the best answer to complete each sentence We sometimes go away from the city to the countryside for a ______ of fresh air.

* Hướng dẫn giải

sip (n): nhấm nháp, hớp                                             

swallow (n): miếng, ngụm                              

breath (n): hơi thở

=>We sometimes go away from the city to the countryside for a breath of fresh air.