Doctors have tentatively concluded that cellphones may ________.

The word "means" in the passage most closely means ______.

The changes possibly caused by the cellphones are mainly concerned with ______.

According to the passage, cellphones are especially popular with young people because____.

The passage suggests that the tsunamis resulting from the Krakatoa volcano _____.

The possessive “their” in line 15 refers to _____.

A main difference between tsunamis in Japan and in Hawaii is that tsunamis in Japan are more likely to _____.

We do not whistle or clap our hands to get the person’s attention. That is considered impolite and even rule.

It can be inferred from the passage that tsunamis _____.

Rewrite the following sentences using the subjunctive structure, beginning as shown, without changing their meaning.

I (10)………..(tell) you exactly what my plans are and then you can decide what you want to do.

According to the passage, all of the following are true about tidal waves except that _____.

The paragraph preceding this passage most probably discusses _____.

Which of the following is not mentioned in the above passage?