Can you wait for me for another two hours — Sorry. Two hours _____ too long, I will go without you.
Never come late again,_______ — Sorry,___________ .
Could I have a(n) ______ word with you, Mr. Thomas? It won’t take up too much of your time.
servation and precise calculation, Nicolaus Copernicus _____ that there is no one center in the universe and the sun is the center of the solar system. [ ]
There _______ a pen and two books on the desk.