Which is ______________, a village, a town, a city

The American warships(军舰) have appeared near South China Sea Islands again.—We must let the Americans know clearly that the islands ______ China.

The weather turned fine , _______ made us very happy.

oner one _____ to the new workingconditions, the better it will be _______ his working efficiency.

A present me by my friend on my birthday .