Try to spend your time just on the things you find _______.
| A．worth doing them | B．worth being done |
| C．worthy of ding them | D．worthy of being done |
How can you expect others to believe you when you ___ constantly ___ lies!
| A．have; told | B．had; told | C．are; telling | D．were; telling |
My brother is always on medicine, so he has ___ table tennis to keep fit.
| A．taken up | B．built up | C．made up | D．held up |
No wonder he looks tired! He’s been studying for the exams all week, ____ he’s been working in a bar at night.
| A．while | B．but | C．plus | D．as |
____ quiet, for, you see, the baby is sleeping!
| A．To keep | B．Keep | C．Keeping | D．Kept |
Sadly, ____ I remember was a beautiful lake two years ago is now a smelly wasteland.
| A．where | B．what | C．which | D．there |