able to speak a language very well
able to speak two languages
Modern humans ___(ed) from monkeys over millions of years.
In some countries, students ___ to their professors by their first names.
Sue quickly ___(ed) a good level of French when she lived in Paris.
I do not know the exact population of my city, but I ___ that there are about two million people.
Meaning is expressed ___ a system of characters and rules for combining those characters.
Many hearing-impaired people use sign languages, ___ which gestures do the work of the sound system of spoken languages.
The stock lost 60 cents a share, ___ contrast to last year, when it gained 21 cents.
Some of the big old houses have been divided ___ apartments.
In her job she often comes ___ contact with lawyers.
Switch it on ___ pressing this button.
A child's brain actually acquires a new language differently than an adult's brain ___.
The number of reported crimes is increasing ___ an alarming rate.
400 people a year die of this disease ___ average.