The stone age was a period of history which began in approximately 2 million B.C. and lasted until 3000. Its name was derived from the stone tools and weapons that modern scientists found. This period was divided into the Paleolithic, Mesolithic and Neolithic ages. During the first period (2 million to 8000 B.C.), the first hatchet and use of fire for heating and cooking were developed. As a result of the Ice Age, which evolved about | million years into the Paleolithic age people were forced to seek shelter in caves, wear clothing, and & develop new tools. During the Mesolithic age (8000 to 26000 B.C.), people made crude pottery and the first fish hooks, took dogs hunting and developed the bow and arrow, which were used until the fourteenth century A.D. The Neolithic age (6000 to 3000 B.C.) humankind domesticating sheeps, goats and pigs, being less nomadic than in previous eras, establishing permanent settlements and creating governments.
Which of the following was development earliest?
Created: 2 years ago |
Updated: 2 years ago
After help, we can use object + infinitive (with or without to).
| Can you help me (to) find my ring? (NOT | |
| Thank you so much for helping us (to) repair the car. | |
| Our main task is to help the company (to) become profitable. |
Help can also be followed directly by an infinitive without an object.
| Would you like to help pack? |
If you say that you cannot/can’t help doing something (especially in British English), you mean that you can’t stop yourself, even if you don’t want to do it.
| She’s a selfish woman, but somehow you can’t help liking her. | |
| Excuse me – I couldn’t help overhearing what you said. | |
| Sorry I broke the cup – I couldn’t help it. |
Can’t help can be followed by but + infinitive (without to), with the same meaning as can’t help verb + ing. This is common in American English.
| I can’t help but wonder what I should do next. |
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