It’s always difficult being in a foreign country , ____ when you can’t speak the local language

The weather turned out to be fine yesterday. I ____ the trouble to take my umbrella with me. [ ]

Only after Li Qi focused on his strengths instead of his weakness ___________ himself from his inferiority complex（自卑感）.

I’m afraid I’m not _____to help with the talent show, for I am fully occupied with my own project.

Generally speaking，almost all the kids are________about how everything around them works.