---Is there anything wrong, Bob? You look sad. ---Oh, nothing much.In fact, I of my friends back home.
____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
____________better ways for digging tunnels__________, the first railway tunnel under the River Thames was dug in 1884.
The initial tunnels were just ___________ the surface of the ground. People were transported in carriages, which were ___________ the narrow tunnels by steam engines.
-Why ________ it rain at weekends? -Never mind, let’s watch TV at home.
___________ so delicious, the soup is very popular with the kids.