The doctor worked ___ five hours ___ a rest. [ ]

.It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.

The little child was too________ to hear the end of the long story.

Yunnan is______ colorful ______ millions of people come to enjoy themselves every year. (B) [ ]

Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.