The sales manager had his secretary _____ a press conference for their new products.

In bungee jumping, you _______.

He speaks English well indeed, but of course not _____ a native speaker .

66.（）

People probably take part in dangerous sports nowadays because _______.

Directions: For this part, you are supposed to write a composition on the topic: Hazards of High Altitude Throwing. You should write at least 120 words, and base your composition on the outline given in Chinese below. 1. 高空抛物在生活中成为一大隐患； 2. 高空抛物的危害； 3. 你的看法。

More and more people today ______.

74.（）

These are plastic and wooden chairs but the _______ are more expensive.

Since his wife died, he has ( ) himself into the research work.

It can be inferred from the passage that （ ）.

The water will be much more polluted unless some measures______ right now.