I’m sorry.I___________ at you the other day-Forget it．I was a bit out of control myself.[]

You should be honest and not copy ___________ answers in the exam.

下列各句中，没有语病的一句是（ ）

Without proper lessons, you could ________a lot of bad habits when playing the piano．

Tiger Watch, _____one-hour documentary, won_____ award for its amazing photography.