We can no longer ____to consider water an almost freeresource that we can use as much as we like.

______ the students found the soldier’s idea interesting, the system was too difficult to be of practical use

students don’t understand what their teacher is talking about, he/she hasn’t _________his/hermeaning_____________.

are you going to visit your uncle — Next week.

From his_____face, we could tell how_____the movie was.