People who tend to focus on ______ while speaking a foreign language may find that they worry too much about making mistakes.

Did you inform Helen of the plan put forward at the meeting— Of course. I saw her.

It is said that the early Europeanplaying-cards ______for entertainment and education

We have a lot of homework______. We are very busy today.

（题文）The water supply has been cut off temporarily because the workers ________ one of the main pipes.