The professor________ the perfect return of Shenzhou 7 in 2008______ “the most exciting thing in history” in his speech.
How can you expect others to believe you when you ___ constantly ___ lies!
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.