—— Here ____! Where is Xiao Liu?There ____.
My brother is always on medicine, so he has ___ table tennis to keep fit.
No wonder he looks tired! He’s been studying for the exams all week, ____ he’s been working in a bar at night.
____ quiet, for, you see, the baby is sleeping!
Sadly, ____ I remember was a beautiful lake two years ago is now a smelly wasteland.
One of the advantages with the new tool is that it is users ____. Users can handle it with less effort and more convenience.