1 . My parents lent me the money. ________, I couldn’t have afforded the trip.

A．Therefore

B．Besides

C．However

D．Otherwise

2 . I wake up to the sound of the wind b________ the cloth of my tent. (根据首字母单词拼写)

3 . 要让大多数新家庭开始使用这项新技术还需要几年的时间。（before）

4 . Most of the guests were annoyed at his bad ______ (行为举止) that day. (根据汉语提示单词拼写)

5 . Since I was small, my parents have told me that it is no use ________ about those who always stand still and refuse to make progress.

A．bothering

B．bothered

C．having been bothered

D．being bothered

6 . 我一直相信一个人睡眠充足了才能更好地抵御情绪紊乱。(convince)(汉译英)

7 . The two countries have set out to break down some________(障碍) to trade between them. （根据汉语提示单词拼写）

8 . In the valley, flowers are________(连续猛击)by the rain and wind. （根据汉语提示单词拼写）

9 . For example , pesticides can damage the land by killing not only harmful _______(bacterium) and insects , but also helpful ones . (所给词的适当形式填空)