u painted the wallsyourself—-Yes. It was not hard. The whole workdidn’t ______.

The young scientist has made such greatachievements in his chosen field ______ nobody else can make.

y just give me acall or drop in, will do

from the moon, our earth, with water sevenpercent of its surface, appears as a “blue ball”.

When he ________ the door，he found his keys were nowhere