1 . Health experts said the study proved that whole grains were ________(有益的) to health. （根据汉语提示单词拼写）

2 . I was late for class yesterday _______ there was something wrong with my bike.

A．when

B．that

C．until

D．because

4 . Customers will receive a free notebook as a b______ with any order over $30. (根据首字母单词拼写)

5 . A mere 2% of their b______ has been spent on the publicity (宣传). (根据首字母单词拼写)

6 . Although studying abroad can bring great __________(好处), I think the disadvantages for young people are greater.（根据汉语提示单词拼写）

7 . I can smell something_____ (burn) in the kitchen. (所给词的适当形式填空)

8 . That little boy is meant ________(be) a doctor in the future.(所给词的适当形式填空)

9 . The Xi’an City Wall is the most complete city wall that has survived China’s long history. It ________ (build) originally to protect the city in the Tang dynasty and has now been completely restored (修复).
…….
We ________ (hire) our bikes from the rental place at the South Gate. （所给词的适当形式填空）

10 . Instead, farmers needed to b______ yields in the fields they had. (根据首字母单词拼写)