1 . Our goods compete in terms of product quality, reliability and__________ variety. (用 all 的相关短语完成句子)

3 . 他变了模样，使我们大为惊讶。(amaze)(汉译英)

5 . Since after-class activities will not ________(mere) make your school life colorful but also improve your learning, why not take an active part in them? (所给词的适当形式填空)

6 . Having given _______ some national secrets to the enemy, the man was sentenced to prison. (用适当的词填空)

7 . Julia only turns 17 this June and t_____________ she has no right to vote at present. (根据首字母单词拼写)

8 . The little girl walked there to pick ________the rubbish.(用适当的词填空)

9 . The Browns bought a new house downtown, the price of which is reasonable. ________, its location is perfect.

A．However

B．Moreover

C．Instead

D．Therefore

10 . Did you have _____ bother finding the house? (用适当的词填空)