用括号内所给词的适当形式填空
⑴I enjoy reading this kind of ____ magazine. （每周）
⑵It is good for your health to ____ deeply. （呼吸）
⑶It ____ on the two sides of the river.（位于）
⑷A large number of new ____ will live in Yangzhou.（移居者）
⑸The small town is becoming more and more ____ and polluted.（拥挤的）
⑹His mother has devoted____ to the teaching of Home Economics.（she）
⑺The making paper was a Chinese____ . （invent）
⑻It is well ____ that Yangzhou is one of the most beautiful cities in our country.（know）
⑼He had been deeply affected by the____ death of his father. （suddenly）
⑽There will be ____ no rain tomorrow.（probable）
这个角的度数是（ ）
