Wechat(微信) is very popular. ____ the young ____ the old are getting interested in it.

Going out for a trip with friendspopular in the last few years

____ good time we had at the party last night!—Yes. It was ____ exciting party that I would never forget it.

Did you have a good rest last night? — YesI slept right ____ the thunderstorm

Studies show that people are more __________ to suffer from back problems if they always sit before computer screens for long hours.