根据句意,用所给词的适当形式填空。
1. They are ______ (suppose) to arrive here at 4 pm.
2. Can you tell me the ________ (mean) of this word?
3. Li Ming said he had a hard time ________ (learn) English.
4 .In English, I’m ______ (good) at reading than listening.
5. She ____ (can) play the piano when she was only six years old.
1. supposed 2. meaning 3. learning 4. better 5. could