Boys, don’t lose____ in playing Angry Birds. It is bad for your eyes to play computer games for a long time

Do you know if Mr. Wu ______ to our school tomorrow? ———-I’ve no idea. If he ______, everyone ______ very happy.

English is too hard for me to study well. I don’t want to learn it any more.－Don’t . It is useful in the future.

Where are you going _ next week?[ ]

someone says something negative about me? ——Just ignore it.