【明報專訊】Bill's phone is running out of electricity. To his surprise, Eason is helpful and lends him his portable charger.

■English highway-words and collocations

Adjectives end with -ful / -less

You can form the opposite of an adjective ending in -ful by replacing it with -less. Here are some examples:

harmful / harmless

hopeful / hopeless

powerful / powerless

useful / useless

painful / painless

thoughtful / thoughtless

■Quiz

Fill in the blank in each of the following sentence with an adjective or an adverb formed by adding -ful/-less or -fully/-lessly to the word in the bracket.

1. My cousin has told me _______ (count) times how good he is at tennis.

2. He drives really _______ (care). That is why he has never had an accident.

3. The speaker has a _______ (power) voice. He is heard distinctly at the rear of the hall.

4. The vegetables are _______ (taste). I don't want to finish them.

5. Don't believe cigarettes are _______ (harm). They damage your lungs!

■Glossary

portable (adj) 便攜式的

charger (n) 充電器

fully (adv) 完全地

counterfeit (n) 偽造的物件