Hello. I see that you are offring a preparration course for toefl ibt. On some sites I find preparation materials for pbt. What do ibt and pbt stand for
iBT stands for Internet-Based Test and PBT stands for Paper-Based Test. TOEFL PBT has been phased out, though.
There is CBT (computer based test) as well ...
There is CBT (computer based test) as well
The most actual one is IBT.