.The symbolic one-hour switch-off first _____ in Sydney in 2007 has become an annual global event.
Only latelyabout the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.
—I phoned you at 7 yesterday evening but nobody answered. — Oh, I ______ my dog in the park then.
So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.
The fog was so heavy this morning that drivers could hardly ______ the things just ten meters away from them.
I ______ a flu when I was on a spring outing with my classmates.