The lady ________ have done something wrong, because she is looking guilty.

Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.

Spanish is the _____ language of most Spaniards (西班牙人). [ ]

We should know that we can only reach the top if we are ready to ____ and learn from failure.

We are invited to a party ____ in our club nextFriday.