316.　 The shirt is 100% ______(纯)cotton, that is, not mixed with any other material.

315.　 Going on a trip to a faraway_______(目的地)can be expensive and difficult.

314.　 All adults enjoy the right to ________(投票)in free general elections that must be held at least every 5 years.

313.　 ---l think he’s still ___________(不高兴) that we forgot his birthday.

312.　 ---We’re the matter with Rod?

311.　 We’re introducing new ways of attracting __________(潜在的) customers，and more people will go and buy our products.

310.　 We were having dinner at a __________(餐馆)when we found a fly in our soup.

309.　 It was ______________ (不公平)to blame her for something that was not her fault.

308.　 She wanted to marry the young man. Buy her parents are not for their_______(婚姻)。

307.　 ________(鼓励) by his teacher, Tom made up his mind up his mind to study well.