People are usually well _______ what is happening due to the advanced media, such as television, newspaper and net PC.
A. informing of         B. informed of          C. mixed up         D. mixing up

He told us that the best way to ______ respect was to devote ourselves to ______ high grades.

We’re trying to ring you back, Bryan, but we think we _____ your number incorrectly.

The country has _______ great changes and become a developed one.

We are often _____ by the doctors to eat more healthy food and take plenty of physical exercise.

We asked the teacher to explain _______.

Only by working hard can you ______ the goal.

I don’t allow you ________ so high a mountain.

--Are you getting a new car this year?
--You must be joking! I can’t afford to pay my bills, ________ buy a new car.

—Do you know when Britain ______war on Germany during the Second World War?
—In 1993，I suppose.