用适当的介词填空

As a student, he must study hard and store ________ knowledge so as to serve his country．

用适当的介词填空

First, health is the secret ________ happiness．

用适当的介词填空

The newspaper supplies us ________ a variety of news every day．

用适当的介词填空

I can’t buy it ________ such a price．

用适当的介词填空

Write a report ________ recent changes in your neighborhood．

用适当的介词填空

My father has cooked in this school ________ 1956．

用适当的介词填空

You’ll have to wait ________ a moment, as the manager is having a meeting．

用适当的介词填空

He moved to the countryside to get away ________ the city noises and people．

句型转换

Although he is poor, he is honest．

________　________　________　________, he is honest．

句型转换

I remembered when I first went to my hometown．

I remembered ________　________　________ I first went to my hometown．