With the car breaking down halfway on the road, we had to abandon it and ______ our training camp in the snow.
All the employees except the manager ______to work online at home.
____with the size of the whole earth , the biggest ocean does not seem big at all .
.Maybe you have been to many countries, but nowhere else_______ such a beautiful palace .
.America was _______ was first called “India” by Columbus.
It was seven o’clock ______ I got to school this morning, _______ made our teacher very angry.