Since the recent river pollution in several provinces, people _______ more and more attention to the quality and safety of drinking water

orry I ________ make it yesterday I ________,but I was really busy— That’s fine I know you are usually busy at thistime of year

Did Alan see his old friends yesterday—Yes, he did. He his old friends for several years.

What shall we do this weekend—You can go swimming, hiking, or _______else you enjoy doing.

__________ a part-time job at the weekend does not necessarily mean not working on weekdays.