The doctor advised Joyce strongly that she should take a holiday, but _______ didn't help.
The tower clock was ________ eleven when I was walking towards home.
A dark cloud is a ________ of thunderstorm.
________ the Internet is bridging the distance between people, it may also be breaking some homes or will cause other family problems.
--The English exam is not difficult, is it? --________. Even Tom ________ to the top students failed in it.
London is a most beautiful city, ________ the River Thames.