I could ____ he was surprised from theexpression on his face

Yesterday my parents and I went to Tianyi Square, and we enjoyed _____ around there.

Difficulties are nothing _____we are not afraid of them.

The teacher commanded that the naughty boy_____, but he refused.

If Lu Xun were a contemporary writer, I can’t guarantee that he ________ laughed at by readers, as most young people don’t appreciate his writing style.