Theparentswereunsettledforthefirstfewdays,_____abouttheirson’ssafety.[ ]

After working for ten years, my cousin became the CEO of a company ____________.

－In modern times, girls like beautiful clothes－Yes, and boys After all, our life has been greatly improved

I met a friend of mine _________ I was walking alongthe street.

.______ the traffic jam we should have arrived at the airport half an hour earlier