We may find that learning a foreign language does not have to be________learning our mother tongue,but can in fact be twice ________.
I have ________ everything that happened,as I remember it.
We have very strict quality control and anything imperfect is________,so customers feel secure about our products.
A good speaker is supposed to manage to ________ the listeners what he means.
This group of designers ________a plan for the project of the company.
The police suspected him of carrying drugs so they________his bag,but found nothing.