题目内容：

根据汉语意思完成句子，每空一词。

1.他说话声音很低，太难听清楚他说什么了。

He speaks in a low voice. It's ________________________ hear him clearly.

2.那位专家什么时候给我们作报告啊？

When will the expert ________________________________？

3.如果你逐字读，你需要三天才能读完那本书。

If you read ________________________，you need 3 days to finish reading the book.

4.现在来做单词卡片怎么样？

What about ________________________ now?

5.房间越干净，你就会越感到舒服。

________________ the room is，________________________ you'll feel.