— When will the expert come and give the lecture on economic development?— Not until our program ____ by the authorities.[ ]

training center, we create an enjoyable English language . One can feel as if he is studying in an English-speaking country.

I have ______brothers. The ______one is a teacher.

Students feel ______ when they have some difficulties in study.

_______ is known to us all is that America is a developed country_______ the First World. [ ]