prevailing

堵塞的；擁擠的

The train _____ forward and some of the people standing fell over.

NASA astronaut Mark Vande Hei

has stayedon the International Space Station for how many days.

The Space Race, was characterized by fierce competition between ____and ____

The _____ mood is one of optimism,

When the UN General Assembly has every year passed a resolution on the prevention of an arms race in outer space,

Which means “ the act of an army suddenly and quickly entering the area belonging to the enemy in order to attack them or steal their supplies”.

lure

The common interests in peace that

we all share are even more

important to whom?