If you cannot have a good command of grammar as well as precise usage of each word you’ve learnt, it is ________ for you to use English flexibly.
To stay awake, my brother finished a cup of coffee and ordered.
We use human translators rather than machines as we believe human persons are more.
The human mind can many tasks that other animals cannot, like using language and judging what other people are thinking.
It is a difficult problem for high school studentsthey can properly use the Internet.
Many countries are now setting up national parks _animals and plants can be protected.