—Can you catch what I said?—Sorry, I can _________ understand it.

I think the new film is ________. Because many people don’t like it.

---The students sitting at the back can’t see the blackboard________. ---Why not_________ them move a little forward?

All the students are talking and laughing in the classroom and it’s______ .

—Do you like history?—No. I think it’s _______.