_____, about forty people travel in one bus, while the same number occupy thirty-three cars.
| A．On average | B．According to | C．In average | D．Instead |
. Clean water is ____ necessary than fresh air to the people living in big cities.
| A．no more | B．no less | C．much as | D．not any more |
. The traffic in the city was ____ today, so Mary got home earlier than usual.
| A．heavy | B．weak | C．scare | D．light |
. When we think of communication, we ____ think of using words, talking face to face, writing messages, and so on.
| A．shortly | B．probably | C．actually | D．normally |
. — Why was Professor Johnson unhappy those days?
— The only reason was ________the theory he stick to ____ wrong.
| A．that; proving | B．why; being proved | C．that; proved | D．why; was proved |
. I would love ____ to the cinema yesterday, but I had to stay home, looking after my sick mother.
| A．going | B．having gone | C．to go | D．to have gone |